20556835058 has 16 divisors (see below), whose sum is σ = 31241376000. Its totient is φ = 10143174912.

The previous prime is 20556835027. The next prime is 20556835093. The reversal of 20556835058 is 85053865502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290258 + ... + 354066.

It is an arithmetic number, because the mean of its divisors is an integer number (1952586000).

Almost surely, 2^20556835058 is an apocalyptic number.

20556835058 is a deficient number, since it is larger than the sum of its proper divisors (10684540942).

20556835058 is a wasteful number, since it uses less digits than its factorization.

20556835058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65929.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 20556835058 in words is "twenty billion, five hundred fifty-six million, eight hundred thirty-five thousand, fifty-eight".