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22310230020 = 22351328602859
BaseRepresentation
bin10100110001110010…
…110001100000000100
32010120211122010001120
4110301302301200010
5331142404330040
614125453353540
71416603553251
oct246162614004
963524563046
1022310230020
1195095a8031
1243a77988b0
1321471c2250
141119058428
158a89ad7d0
hex531cb1804

22310230020 has 48 divisors (see below), whose sum is σ = 67273926720. Its totient is φ = 5491748736.

The previous prime is 22310229971. The next prime is 22310230043. The reversal of 22310230020 is 2003201322.

It is a super-3 number, since 3×223102300203 (a number of 32 digits) contains 333 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14300650 + ... + 14302209.

It is an arithmetic number, because the mean of its divisors is an integer number (1401540140).

Almost surely, 222310230020 is an apocalyptic number.

22310230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22310230020 is an abundant number, since it is smaller than the sum of its proper divisors (44963696700).

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

22310230020 is a wasteful number, since it uses less digits than its factorization.

22310230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602884 (or 28602882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22310230020 its reverse (2003201322), we get a palindrome (24313431342).

The spelling of 22310230020 in words is "twenty-two billion, three hundred ten million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 28602859 57205718 85808577 114411436 143014295 171617154 286028590 343234308 371837167 429042885 572057180 743674334 858085770 1115511501 1487348668 1716171540 1859185835 2231023002 3718371670 4462046004 5577557505 7436743340 11155115010 22310230020