20256675080 has 32 divisors (see below), whose sum is σ = 45599587200. Its totient is φ = 8098746816.

The previous prime is 20256675071. The next prime is 20256675119. The reversal of 20256675080 is 8057665202.

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, 38240 + ... + 204879.

It is an arithmetic number, because the mean of its divisors is an integer number (1424987100).

Almost surely, 2^20256675080 is an apocalyptic number.

20256675080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20256675080 is an abundant number, since it is smaller than the sum of its proper divisors (25342912120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20256675080 is a wasteful number, since it uses less digits than its factorization.

20256675080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245213 (or 245209 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 20256675080 in words is "twenty billion, two hundred fifty-six million, six hundred seventy-five thousand, eighty".