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22008662420 = 22518122726783
BaseRepresentation
bin10100011111110100…
…011000100110010100
32002210211011220002012
4110133310120212110
5330033204144140
614035522003352
71406252354363
oct243764304624
962724156065
1022008662420
119374352908
1243227a6558
1320c9895a94
1410cad977da
1588c290265
hex51fd18994

22008662420 has 48 divisors (see below), whose sum is σ = 46680012288. Its totient is φ = 8715934080.

The previous prime is 22008662413. The next prime is 22008662453. The reversal of 22008662420 is 2426680022.

It is a super-3 number, since 3×220086624203 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 808349 + ... + 835131.

It is an arithmetic number, because the mean of its divisors is an integer number (972500256).

Almost surely, 222008662420 is an apocalyptic number.

22008662420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22008662420 is an abundant number, since it is smaller than the sum of its proper divisors (24671349868).

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

22008662420 is a wasteful number, since it uses less digits than its factorization.

22008662420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27200 (or 27198 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 22008662420 in words is "twenty-two billion, eight million, six hundred sixty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 181 227 362 454 724 905 908 1135 1810 2270 3620 4540 26783 41087 53566 82174 107132 133915 164348 205435 267830 410870 535660 821740 4847723 6079741 9695446 12159482 19390892 24238615 24318964 30398705 48477230 60797410 96954460 121594820 1100433121 2200866242 4401732484 5502165605 11004331210 22008662420