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20590680927 = 338358730529
BaseRepresentation
bin10011001011010011…
…001101101101011111
31222010222222222011010
4103023103031231133
5314132203242202
613243105430303
71326153620505
oct231323155537
958128888133
1020590680927
1188069a2383
123ba793b393
131c31b8c88b
14dd4924675
15807a4776c
hex4cb4cdb5f

20590680927 has 16 divisors (see below), whose sum is σ = 27573719040. Its totient is φ = 13667507712.

The previous prime is 20590680911. The next prime is 20590680937. The reversal of 20590680927 is 72908609502.

It is not a de Polignac number, because 20590680927 - 24 = 20590680911 is a prime.

It is a super-2 number, since 2×205906809272 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20590680937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659199 + ... + 689727.

It is an arithmetic number, because the mean of its divisors is an integer number (1723357440).

Almost surely, 220590680927 is an apocalyptic number.

20590680927 is a deficient number, since it is larger than the sum of its proper divisors (6983038113).

20590680927 is a wasteful number, since it uses less digits than its factorization.

20590680927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31502.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 20590680927 in words is "twenty billion, five hundred ninety million, six hundred eighty thousand, nine hundred twenty-seven".

Divisors: 1 3 383 587 1149 1761 30529 91587 224821 674463 11692607 17920523 35077821 53761569 6863560309 20590680927