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232120010220 = 22357552666691
BaseRepresentation
bin1101100000101101101…
…1100100010111101100
3211012010211202021011120
43120023123210113230
512300340210311340
6254345013220540
722525102350450
oct3301333442754
9735124667146
10232120010220
118a49477029a
1238ba0631750
1318b7298a097
14b33dd04660
1560882694d0
hex360b6e45ec

232120010220 has 48 divisors (see below), whose sum is σ = 742784034048. Its totient is φ = 53056002240.

The previous prime is 232120010219. The next prime is 232120010231. The reversal of 232120010220 is 22010021232.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 232120010220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276332926 + ... + 276333765.

It is an arithmetic number, because the mean of its divisors is an integer number (15474667376).

Almost surely, 2232120010220 is an apocalyptic number.

232120010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232120010220 is an abundant number, since it is smaller than the sum of its proper divisors (510664023828).

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

232120010220 is a wasteful number, since it uses less digits than its factorization.

232120010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552666710 (or 552666708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 232120010220 its reverse (22010021232), we get a palindrome (254130031452).

The spelling of 232120010220 in words is "two hundred thirty-two billion, one hundred twenty million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 552666691 1105333382 1658000073 2210666764 2763333455 3316000146 3868666837 5526666910 6632000292 7737333674 8290000365 11053333820 11606000511 15474667348 16580000730 19343334185 23212001022 33160001460 38686668370 46424002044 58030002555 77373336740 116060005110 232120010220