20271236304 has 40 divisors (see below), whose sum is σ = 57128031072. Its totient is φ = 6142798720.

The previous prime is 20271236299. The next prime is 20271236317. The reversal of 20271236304 is 40363217202.

It is a congruent number.

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, 19195719 + ... + 19196774.

Almost surely, 2^20271236304 is an apocalyptic number.

20271236304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20271236304 is an abundant number, since it is smaller than the sum of its proper divisors (36856794768).

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

20271236304 is a wasteful number, since it uses less digits than its factorization.

20271236304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38392515 (or 38392509 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 20271236304 in words is "twenty billion, two hundred seventy-one million, two hundred thirty-six thousand, three hundred four".