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22023731020 = 2254618872693
BaseRepresentation
bin10100100000101101…
…110111011101001100
32002211212112110022111
4110200231313131030
5330101033343040
614041220553404
71406524424224
oct244055673514
962755473274
1022023731020
1193819050a5
124327852864
1320cca40705
1410ccd9b084
1588d769dea
hex520b7774c

22023731020 has 48 divisors (see below), whose sum is σ = 46419645888. Its totient is φ = 8777212160.

The previous prime is 22023730991. The next prime is 22023731039. The reversal of 22023731020 is 2013732022.

It is a junction number, because it is equal to n+sod(n) for n = 22023730982 and 22023731000.

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, 8176794 + ... + 8179486.

It is an arithmetic number, because the mean of its divisors is an integer number (967075956).

Almost surely, 222023731020 is an apocalyptic number.

22023731020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023731020 is an abundant number, since it is smaller than the sum of its proper divisors (24395914868).

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

22023731020 is a wasteful number, since it uses less digits than its factorization.

22023731020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The spelling of 22023731020 in words is "twenty-two billion, twenty-three million, seven hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 461 887 922 1774 1844 2305 2693 3548 4435 4610 5386 8870 9220 10772 13465 17740 26930 53860 408907 817814 1241473 1635628 2044535 2388691 2482946 4089070 4777382 4965892 6207365 8178140 9554764 11943455 12414730 23886910 24829460 47773820 1101186551 2202373102 4404746204 5505932755 11011865510 22023731020