20554442883 has 24 divisors (see below), whose sum is σ = 32029677680. Its totient is φ = 12626694720.

The previous prime is 20554442861. The next prime is 20554442891. The reversal of 20554442883 is 38824445502.

20554442883 is a `hidden beast` number, since 2 + 0 + 5 + 544 + 4 + 28 + 83 = 666.

It is not a de Polignac number, because 20554442883 - 2⁵ = 20554442851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20554442803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87028 + ... + 220641.

Almost surely, 2^20554442883 is an apocalyptic number.

20554442883 is a deficient number, since it is larger than the sum of its proper divisors (11475234797).

20554442883 is a wasteful number, since it uses less digits than its factorization.

20554442883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308259 (or 308256 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 20554442883 in words is "twenty billion, five hundred fifty-four million, four hundred forty-two thousand, eight hundred eighty-three".