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23322013220 = 22511195579429
BaseRepresentation
bin10101101110000110…
…011010111000100100
32020012100111000200102
4111232012122320210
5340230413410340
614414115403232
71453640561432
oct255606327044
966170430612
1023322013220
1199887397a0
12462a5b3518
1322789c682c
1411b3591d52
1591771b215
hex56e19ae24

23322013220 has 48 divisors (see below), whose sum is σ = 56240654400. Its totient is φ = 8034376320.

The previous prime is 23322013151. The next prime is 23322013223. The reversal of 23322013220 is 2231022332.

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 = 23322013192 and 23322013201.

It is not an unprimeable number, because it can be changed into a prime (23322013223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785535 + ... + 2793894.

It is an arithmetic number, because the mean of its divisors is an integer number (1171680300).

Almost surely, 223322013220 is an apocalyptic number.

23322013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23322013220 is an abundant number, since it is smaller than the sum of its proper divisors (32918641180).

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

23322013220 is a wasteful number, since it uses less digits than its factorization.

23322013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579468 (or 5579466 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23322013220 its reverse (2231022332), we get a palindrome (25553035552).

The spelling of 23322013220 in words is "twenty-three billion, three hundred twenty-two million, thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 5579429 11158858 22317716 27897145 55794290 61373719 106009151 111588580 122747438 212018302 245494876 306868595 424036604 530045755 613737190 1060091510 1166100661 1227474380 2120183020 2332201322 4664402644 5830503305 11661006610 23322013220