2020/1/1: 010120 = 010:120 = integer ratio of 1 to 12
2020/1/1: 01012020 = 0101:2020 = integer ratio of 1 to 20
2020/1/1: 01012020 = 0101:2020 = each is cyclic permutation symmetric
2020/1/1: 20200101 = 2020:0101 = integer ratio of 20 to 1
2020/1/1: 20200101 = 2020:0101 = each is cyclic permutation symmetric
2020/1/2: 010220 = 010:220 = integer ratio of 1 to 22
2020/1/2: 020120 = 020:120 = integer ratio of 1 to 6
2020/1/2: 02120 = palindrome
2020/1/2: 20102 = palindrome
2020/1/2: 212020 = 212:020 = each is palindrome
2020/1/3: 010320 = 010:320 = integer ratio of 1 to 32
2020/1/3: 030120 = 030:120 = integer ratio of 1 to 4
2020/1/4: 010420 = 010:420 = integer ratio of 1 to 42
2020/1/4: 040120 = 040:120 = integer ratio of 1 to 3
2020/1/5: 010520 = 010:520 = integer ratio of 1 to 52
2020/1/6: 010620 = 010:620 = integer ratio of 1 to 62
2020/1/6: 060120 = 060:120 = integer ratio of 1 to 2
2020/1/7: 010720 = 010:720 = integer ratio of 1 to 72
2020/1/8: 010820 = 010:820 = integer ratio of 1 to 82
2020/1/9: 010920 = 010:920 = integer ratio of 1 to 92
2020/1/12: 011220 = 011:220 = integer ratio of 1 to 20
2020/1/12: 120120 = cyclic permutation symmetric
2020/1/21: 012120 = 012:120 = integer ratio of 1 to 10
2020/1/24: 012420 = 012:420 = integer ratio of 1 to 35
2020/1/24: 240120 = 240:120 = integer ratio of 2 to 1
2020/1/27: 012720 = 012:720 = integer ratio of 1 to 60
2020/2/1: 010220 = 010:220 = integer ratio of 1 to 22
2020/2/1: 020120 = 020:120 = integer ratio of 1 to 6
2020/2/1: 02120 = palindrome
2020/2/1: 212020 = 212:020 = each is palindrome
2020/2/2: 020220 = 020:220 = integer ratio of 1 to 11
2020/2/2: 02022020 = palindrome
2020/2/2: 02022020 = 0202:2020 = integer ratio of 1 to 10
2020/2/2: 02022020 = 0202:2020 = each is cyclic permutation symmetric
2020/2/2: 02220 = palindrome
2020/2/2: 20200202 = palindrome
2020/2/2: 20200202 = 2020:0202 = integer ratio of 10 to 1
2020/2/2: 20200202 = 2020:0202 = each is cyclic permutation symmetric
2020/2/2: 20202 = palindrome
2020/2/2: 2020202 = palindrome
2020/2/2: 222020 = 222:020 = each is palindrome
2020/2/3: 020320 = 020:320 = integer ratio of 1 to 16
2020/2/3: 02320 = palindrome
2020/2/3: 232020 = 232:020 = each is palindrome
2020/2/4: 020420 = 020:420 = integer ratio of 1 to 21
2020/2/4: 02420 = palindrome
2020/2/4: 242020 = 242:020 = each is palindrome
2020/2/5: 020520 = 020:520 = integer ratio of 1 to 26
2020/2/5: 02520 = palindrome
2020/2/5: 252020 = 252:020 = each is palindrome
2020/2/6: 020620 = 020:620 = integer ratio of 1 to 31
2020/2/6: 02620 = palindrome
2020/2/6: 262020 = 262:020 = each is palindrome
2020/2/7: 020720 = 020:720 = integer ratio of 1 to 36
2020/2/7: 02720 = palindrome
2020/2/7: 272020 = 272:020 = each is palindrome
2020/2/8: 020820 = 020:820 = integer ratio of 1 to 41
2020/2/8: 02820 = palindrome
2020/2/8: 282020 = 282:020 = each is palindrome
2020/2/9: 020920 = 020:920 = integer ratio of 1 to 46
2020/2/9: 02920 = palindrome
2020/2/9: 292020 = 292:020 = each is palindrome
2020/2/11: 021120 = palindrome
2020/2/11: 021120 = 02:11:20 = arthimetic series of increment 9
2020/2/11: 110220 = 110:220 = integer ratio of 1 to 2
2020/2/14: 021420 = 021:420 = integer ratio of 1 to 20
2020/2/22: 022220 = palindrome
2020/2/22: 022220 = 022:220 = integer ratio of 1 to 10
2020/2/22: 220220 = cyclic permutation symmetric
2020/3/1: 010320 = 010:320 = integer ratio of 1 to 32
2020/3/1: 030120 = 030:120 = integer ratio of 1 to 4
2020/3/2: 020320 = 020:320 = integer ratio of 1 to 16
2020/3/2: 02320 = palindrome
2020/3/2: 20302 = palindrome
2020/3/2: 232020 = 232:020 = each is palindrome
2020/3/3: 03032020 = 0303:2020 = each is cyclic permutation symmetric
2020/3/3: 20200303 = 2020:0303 = each is cyclic permutation symmetric
2020/3/4: 030420 = 030:420 = integer ratio of 1 to 14
2020/3/4: 040320 = 040:320 = integer ratio of 1 to 8
2020/3/7: 030720 = 030:720 = integer ratio of 1 to 24
2020/3/8: 080320 = 080:320 = integer ratio of 1 to 4
2020/3/16: 031620 = 031:620 = integer ratio of 1 to 20
2020/3/16: 160320 = 160:320 = integer ratio of 1 to 2
2020/3/23: 032320 = 032:320 = integer ratio of 1 to 10
2020/4/1: 010420 = 010:420 = integer ratio of 1 to 42
2020/4/1: 040120 = 040:120 = integer ratio of 1 to 3
2020/4/2: 020420 = 020:420 = integer ratio of 1 to 21
2020/4/2: 02420 = palindrome
2020/4/2: 20402 = palindrome
2020/4/2: 242020 = 242:020 = each is palindrome
2020/4/3: 030420 = 030:420 = integer ratio of 1 to 14
2020/4/3: 040320 = 040:320 = integer ratio of 1 to 8
2020/4/4: 04042020 = 0404:2020 = integer ratio of 1 to 5
2020/4/4: 04042020 = 0404:2020 = each is cyclic permutation symmetric
2020/4/4: 20200404 = 2020:0404 = integer ratio of 5 to 1
2020/4/4: 20200404 = 2020:0404 = each is cyclic permutation symmetric
2020/4/5: 040520 = 040:520 = integer ratio of 1 to 13
2020/4/6: 060420 = 060:420 = integer ratio of 1 to 7
2020/4/6: 6420 = 6:4:2:0 = arthimetic series of increment -2
2020/4/7: 040720 = 040:720 = integer ratio of 1 to 18
2020/4/7: 070420 = 070:420 = integer ratio of 1 to 6
2020/4/9: 040920 = 040:920 = integer ratio of 1 to 23
2020/4/12: 041220 = 04:12:20 = arthimetic series of increment 8
2020/4/14: 140420 = 140:420 = integer ratio of 1 to 3
2020/4/18: 041820 = 041:820 = integer ratio of 1 to 20
2020/4/21: 210420 = 210:420 = integer ratio of 1 to 2
2020/4/24: 042420 = 042:420 = integer ratio of 1 to 10
2020/5/1: 010520 = 010:520 = integer ratio of 1 to 52
2020/5/2: 020520 = 020:520 = integer ratio of 1 to 26
2020/5/2: 02520 = palindrome
2020/5/2: 20502 = palindrome
2020/5/2: 252020 = 252:020 = each is palindrome
2020/5/4: 040520 = 040:520 = integer ratio of 1 to 13
2020/5/5: 05052020 = 0505:2020 = integer ratio of 1 to 4
2020/5/5: 05052020 = 0505:2020 = each is cyclic permutation symmetric
2020/5/5: 20200505 = 2020:0505 = integer ratio of 4 to 1
2020/5/5: 20200505 = 2020:0505 = each is cyclic permutation symmetric
2020/5/10: 051020 = 05:10:20 = geometric series of ratio 2
2020/5/13: 130520 = 130:520 = integer ratio of 1 to 4
2020/5/25: 052520 = 052:520 = integer ratio of 1 to 10
2020/5/26: 260520 = 260:520 = integer ratio of 1 to 2
2020/6/1: 010620 = 010:620 = integer ratio of 1 to 62
2020/6/1: 060120 = 060:120 = integer ratio of 1 to 2
2020/6/2: 020620 = 020:620 = integer ratio of 1 to 31
2020/6/2: 02620 = palindrome
2020/6/2: 20602 = palindrome
2020/6/2: 262020 = 262:020 = each is palindrome
2020/6/4: 060420 = 060:420 = integer ratio of 1 to 7
2020/6/4: 6420 = 6:4:2:0 = arthimetic series of increment -2
2020/6/6: 06062020 = 0606:2020 = each is cyclic permutation symmetric
2020/6/6: 20200606 = 2020:0606 = each is cyclic permutation symmetric
2020/6/7: 060720 = 060:720 = integer ratio of 1 to 12
2020/6/13: 061320 = 06:13:20 = arthimetic series of increment 7
2020/6/26: 062620 = 062:620 = integer ratio of 1 to 10
2020/7/1: 010720 = 010:720 = integer ratio of 1 to 72
2020/7/2: 020720 = 020:720 = integer ratio of 1 to 36
2020/7/2: 02720 = palindrome
2020/7/2: 20702 = palindrome
2020/7/2: 272020 = 272:020 = each is palindrome
2020/7/3: 030720 = 030:720 = integer ratio of 1 to 24
2020/7/4: 040720 = 040:720 = integer ratio of 1 to 18
2020/7/4: 070420 = 070:420 = integer ratio of 1 to 6
2020/7/6: 060720 = 060:720 = integer ratio of 1 to 12
2020/7/7: 07072020 = 0707:2020 = each is cyclic permutation symmetric
2020/7/7: 20200707 = 2020:0707 = each is cyclic permutation symmetric
2020/7/8: 080720 = 080:720 = integer ratio of 1 to 9
2020/7/9: 090720 = 090:720 = integer ratio of 1 to 8
2020/7/12: 120720 = 120:720 = integer ratio of 1 to 6
2020/7/18: 180720 = 180:720 = integer ratio of 1 to 4
2020/7/24: 240720 = 240:720 = integer ratio of 1 to 3
2020/7/27: 072720 = 072:720 = integer ratio of 1 to 10
2020/8/1: 010820 = 010:820 = integer ratio of 1 to 82
2020/8/2: 020820 = 020:820 = integer ratio of 1 to 41
2020/8/2: 02820 = palindrome
2020/8/2: 20802 = palindrome
2020/8/2: 282020 = 282:020 = each is palindrome
2020/8/3: 080320 = 080:320 = integer ratio of 1 to 4
2020/8/7: 080720 = 080:720 = integer ratio of 1 to 9
2020/8/8: 08082020 = 0808:2020 = each is cyclic permutation symmetric
2020/8/8: 20200808 = 2020:0808 = each is cyclic permutation symmetric
2020/8/14: 081420 = 08:14:20 = arthimetic series of increment 6
2020/8/28: 082820 = 082:820 = integer ratio of 1 to 10
2020/9/1: 010920 = 010:920 = integer ratio of 1 to 92
2020/9/2: 020920 = 020:920 = integer ratio of 1 to 46
2020/9/2: 02920 = palindrome
2020/9/2: 20902 = palindrome
2020/9/2: 292020 = 292:020 = each is palindrome
2020/9/4: 040920 = 040:920 = integer ratio of 1 to 23
2020/9/7: 090720 = 090:720 = integer ratio of 1 to 8
2020/9/9: 09092020 = 0909:2020 = each is cyclic permutation symmetric
2020/9/9: 20200909 = 2020:0909 = each is cyclic permutation symmetric
2020/9/23: 230920 = 230:920 = integer ratio of 1 to 4
2020/9/29: 092920 = 092:920 = integer ratio of 1 to 10
2020/10/1: 201001 = 201:001 = integer ratio of 201 to 1
2020/10/2: 20102 = palindrome
2020/10/3: 201003 = 201:003 = integer ratio of 67 to 1
2020/10/5: 051020 = 05:10:20 = geometric series of ratio 2
2020/10/5: 201005 = 20:10:05 = geometric series of ratio 0.5
2020/10/10: 101020 = 101:020 = each is palindrome
2020/10/10: 10102020 = 1010:2020 = integer ratio of 1 to 2
2020/10/10: 10102020 = 1010:2020 = each is cyclic permutation symmetric
2020/10/10: 20201010 = 2020:1010 = integer ratio of 2 to 1
2020/10/10: 20201010 = 2020:1010 = each is cyclic permutation symmetric
2020/10/11: 111020 = 111:020 = each is palindrome
2020/10/12: 121020 = 121:020 = each is palindrome
2020/10/13: 131020 = 131:020 = each is palindrome
2020/10/14: 141020 = 141:020 = each is palindrome
2020/10/15: 101520 = 10:15:20 = arthimetic series of increment 5
2020/10/15: 151020 = 151:020 = each is palindrome
2020/10/16: 161020 = 161:020 = each is palindrome
2020/10/17: 171020 = 171:020 = each is palindrome
2020/10/18: 181020 = 181:020 = each is palindrome
2020/10/19: 191020 = 191:020 = each is palindrome
2020/11/2: 021120 = palindrome
2020/11/2: 021120 = 02:11:20 = arthimetic series of increment 9
2020/11/2: 110220 = 110:220 = integer ratio of 1 to 2
2020/11/2: 201102 = palindrome
2020/11/2: 201102 = 20:11:02 = arthimetic series of increment -9
2020/11/10: 111020 = 111:020 = each is palindrome
2020/11/11: 11112020 = 1111:2020 = each is cyclic permutation symmetric
2020/11/11: 20201111 = 2020:1111 = each is cyclic permutation symmetric
2020/12/1: 011220 = 011:220 = integer ratio of 1 to 20
2020/12/1: 120120 = cyclic permutation symmetric
2020/12/1: 201201 = cyclic permutation symmetric
2020/12/4: 041220 = 04:12:20 = arthimetic series of increment 8
2020/12/4: 201204 = 20:12:04 = arthimetic series of increment -8
2020/12/7: 120720 = 120:720 = integer ratio of 1 to 6
2020/12/10: 121020 = 121:020 = each is palindrome
2020/12/12: 12122020 = 1212:2020 = each is cyclic permutation symmetric
2020/12/12: 20201212 = 2020:1212 = each is cyclic permutation symmetric
2020/12/16: 121620 = 12:16:20 = arthimetic series of increment 4