20554672113 has 24 divisors (see below), whose sum is σ = 30737678400. Its totient is φ = 13220341344.

The previous prime is 20554672097. The next prime is 20554672139. The reversal of 20554672113 is 31127645502.

20554672113 is a `hidden beast` number, since 20 + 554 + 6 + 72 + 1 + 13 = 666.

It is not a de Polignac number, because 20554672113 - 2⁴ = 20554672097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20554672163) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 314406 + ... + 374112.

It is an arithmetic number, because the mean of its divisors is an integer number (1280736600).

Almost surely, 2^20554672113 is an apocalyptic number.

It is an amenable number.

20554672113 is a deficient number, since it is larger than the sum of its proper divisors (10183006287).

20554672113 is a wasteful number, since it uses less digits than its factorization.

20554672113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61061 (or 61058 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 20554672113 in words is "twenty billion, five hundred fifty-four million, six hundred seventy-two thousand, one hundred thirteen".