20635924528 has 20 divisors (see below), whose sum is σ = 40832788320. Its totient is φ = 10098430784.

The previous prime is 20635924511. The next prime is 20635924531. The reversal of 20635924528 is 82542953602.

It is a super-2 number, since 2×20635924528² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13719943 + ... + 13721446.

It is an arithmetic number, because the mean of its divisors is an integer number (2041639416).

Almost surely, 2^20635924528 is an apocalyptic number.

It is an amenable number.

20635924528 is a deficient number, since it is larger than the sum of its proper divisors (20196863792).

20635924528 is a wasteful number, since it uses less digits than its factorization.

20635924528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27441444 (or 27441438 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 20635924528 in words is "twenty billion, six hundred thirty-five million, nine hundred twenty-four thousand, five hundred twenty-eight".