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232220130111020 = 2251011123910228709
BaseRepresentation
bin110100110011001111110110…
…010111010110111000101100
31010110020000202010210221112102
4310303033312113112320230
5220414143311302023040
62141520242141554232
766625231206415322
oct6463176627267054
91113200663727472
10232220130111020
1167aa1005532777
1222065997875978
139c763588b344c
14414b72b215d12
151bca8a2687515
hexd333f65d6e2c

232220130111020 has 48 divisors (see below), whose sum is σ = 492534480513600. Its totient is φ = 91960176403200.

The previous prime is 232220130111017. The next prime is 232220130111083. The reversal of 232220130111020 is 20111031022232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232220130110983 and 232220130111001.

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, 17588426 + ... + 27817134.

It is an arithmetic number, because the mean of its divisors is an integer number (10261135010700).

Almost surely, 2232220130111020 is an apocalyptic number.

232220130111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232220130111020 is an abundant number, since it is smaller than the sum of its proper divisors (260314350402580).

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

232220130111020 is a wasteful number, since it uses less digits than its factorization.

232220130111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240058 (or 10240056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232220130111020 its reverse (20111031022232), we get a palindrome (252331161133252).

The spelling of 232220130111020 in words is "two hundred thirty-two trillion, two hundred twenty billion, one hundred thirty million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 11239 22478 44956 56195 112390 224780 1135139 2270278 4540556 5675695 10228709 11351390 20457418 22702780 40914836 51143545 102287090 204574180 1033099609 2066199218 4132398436 5165498045 10330996090 20661992180 114960460451 229920920902 459841841804 574802302255 1149604604510 2299209209020 11611006505551 23222013011102 46444026022204 58055032527755 116110065055510 232220130111020