20272594824 has 48 divisors (see below), whose sum is σ = 54912815100. Its totient is φ = 6756562944.

The previous prime is 20272594807. The next prime is 20272594847. The reversal of 20272594824 is 42849527202.

It can be written as a sum of positive squares in 2 ways, for example, as 17734248900 + 2538345924 = 133170^2 + 50382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20272594824.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630072 + ... + 661464.

Almost surely, 2^20272594824 is an apocalyptic number.

20272594824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20272594824 is an abundant number, since it is smaller than the sum of its proper divisors (34640220276).

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

20272594824 is a wasteful number, since it uses less digits than its factorization.

20272594824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374 (or 40367 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 20272594824 in words is "twenty billion, two hundred seventy-two million, five hundred ninety-four thousand, eight hundred twenty-four".