20583158272 has 40 divisors (see below), whose sum is σ = 43545316716. Its totient is φ = 9686188032.

The previous prime is 20583158213. The next prime is 20583158293. The reversal of 20583158272 is 27285138502.

It can be written as a sum of positive squares in 2 ways, for example, as 17810503936 + 2772654336 = 133456^2 + 52656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173693 + ... + 1191100.

Almost surely, 2^20583158272 is an apocalyptic number.

It is an amenable number.

20583158272 is an abundant number, since it is smaller than the sum of its proper divisors (22962158444).

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

20583158272 is an equidigital number, since it uses as much as digits as its factorization.

20583158272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364828 (or 2364812 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 20583158272 in words is "twenty billion, five hundred eighty-three million, one hundred fifty-eight thousand, two hundred seventy-two".