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201010222102020 = 223537143962922269
BaseRepresentation
bin101101101101000101010110…
…111000100111011000000100
3222100201101111222202001212120
4231231011112320213120010
5202321322413324231040
61551302453215045540
760224336455435332
oct5555052670473004
9870641458661776
10201010222102020
1159058a58061841
121a6651648108b0
13882124b26a2a6
14378cd378c6b52
151838b0ce367d0
hexb6d156e27604

201010222102020 has 96 divisors (see below), whose sum is σ = 578441911219200. Its totient is φ = 52117759517184.

The previous prime is 201010222102009. The next prime is 201010222102033. The reversal of 201010222102020 is 20201222010102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28266555 + ... + 34655714.

It is an arithmetic number, because the mean of its divisors is an integer number (6025436575200).

Almost surely, 2201010222102020 is an apocalyptic number.

201010222102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010222102020 is an abundant number, since it is smaller than the sum of its proper divisors (377431689117180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201010222102020 is a wasteful number, since it uses less digits than its factorization.

201010222102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62923757 (or 62923755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201010222102020 its reverse (20201222010102), we get a palindrome (221211444112122).

The spelling of 201010222102020 in words is "two hundred one trillion, ten billion, two hundred twenty-two million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 1439 2220 2878 4317 5756 7195 8634 14390 17268 21585 28780 43170 53243 86340 106486 159729 212972 266215 319458 532430 638916 798645 1064860 1597290 3194580 62922269 125844538 188766807 251689076 314611345 377533614 629222690 755067228 943834035 1258445380 1887668070 2328123953 3775336140 4656247906 6984371859 9312495812 11640619765 13968743718 23281239530 27937487436 34921859295 46562479060 69843718590 90545145091 139687437180 181090290182 271635435273 362180580364 452725725455 543270870546 905451450910 1086541741092 1358177176365 1810902901820 2716354352730 3350170368367 5432708705460 6700340736734 10050511105101 13400681473468 16750851841835 20101022210202 33501703683670 40202044420404 50252555525505 67003407367340 100505111051010 201010222102020