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20604582876 = 2232357728489
BaseRepresentation
bin10011001100001000…
…001111101111011100
31222011222011021001010
4103030020033233130
5314144233123001
613244323415220
71326413031123
oct231410175734
958158137033
1020604582876
118813828099
123bb0524510
131c34a19497
14dd6702aba
15808d918d6
hex4cc20fbdc

20604582876 has 24 divisors (see below), whose sum is σ = 48097823760. Its totient is φ = 6865270912.

The previous prime is 20604582847. The next prime is 20604582877. The reversal of 20604582876 is 67828540602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604582877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335961 + ... + 392528.

It is an arithmetic number, because the mean of its divisors is an integer number (2004075990).

Almost surely, 220604582876 is an apocalyptic number.

It is an amenable number.

20604582876 is an abundant number, since it is smaller than the sum of its proper divisors (27493240884).

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

20604582876 is a wasteful number, since it uses less digits than its factorization.

20604582876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730853 (or 730851 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 20604582876 in words is "twenty billion, six hundred four million, five hundred eighty-two thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 2357 4714 7071 9428 14142 28284 728489 1456978 2185467 2913956 4370934 8741868 1717048573 3434097146 5151145719 6868194292 10302291438 20604582876