20454933088 has 48 divisors (see below), whose sum is σ = 40669655040. Its totient is φ = 10126532736.

The previous prime is 20454933077. The next prime is 20454933139. The reversal of 20454933088 is 88033945402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697581 + ... + 1709587.

It is an arithmetic number, because the mean of its divisors is an integer number (847284480).

Almost surely, 2^20454933088 is an apocalyptic number.

It is an amenable number.

20454933088 is a deficient number, since it is larger than the sum of its proper divisors (20214721952).

20454933088 is a wasteful number, since it uses less digits than its factorization.

20454933088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539 (or 12531 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 20454933088 in words is "twenty billion, four hundred fifty-four million, nine hundred thirty-three thousand, eighty-eight".