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22030031320 = 23511193259421
BaseRepresentation
bin10100100001000101…
…111001100111011000
32002212022101112200221
4110201011321213120
5330104142000240
614042004005424
71406632114363
oct244105714730
962768345627
1022030031320
119385418660
124329990874
1321011382bb
1410cdb5b0da
1588e0b1a4a
hex5211799d8

22030031320 has 64 divisors (see below), whose sum is σ = 54354097440. Its totient is φ = 7969382400.

The previous prime is 22030031273. The next prime is 22030031437. The reversal of 22030031320 is 2313003022.

It is a junction number, because it is equal to n+sod(n) for n = 22030031294 and 22030031303.

It is a congruent number.

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, 44791 + ... + 214630.

Almost surely, 222030031320 is an apocalyptic number.

22030031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22030031320 is an abundant number, since it is smaller than the sum of its proper divisors (32324066120).

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

22030031320 is a wasteful number, since it uses less digits than its factorization.

22030031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259636 (or 259632 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 22030031320 its reverse (2313003022), we get a palindrome (24343034342).

The spelling of 22030031320 in words is "twenty-two billion, thirty million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 193 220 386 440 772 965 1544 1930 2123 3860 4246 7720 8492 10615 16984 21230 42460 84920 259421 518842 1037684 1297105 2075368 2594210 2853631 5188420 5707262 10376840 11414524 14268155 22829048 28536310 50068253 57072620 100136506 114145240 200273012 250341265 400546024 500682530 550750783 1001365060 1101501566 2002730120 2203003132 2753753915 4406006264 5507507830 11015015660 22030031320