20597288848 has 30 divisors (see below), whose sum is σ = 40329732534. Its totient is φ = 10189675008.

The previous prime is 20597288839. The next prime is 20597288849. The reversal of 20597288848 is 84888279502.

It can be written as a sum of positive squares in only one way, i.e., 17199797904 + 3397490944 = 131148^2 + 58288^2 .

It is not an unprimeable number, because it can be changed into a prime (20597288849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5652115 + ... + 5655757.

Almost surely, 2^20597288848 is an apocalyptic number.

It is an amenable number.

20597288848 is a deficient number, since it is larger than the sum of its proper divisors (19732443686).

20597288848 is an frugal number, since it uses more digits than its factorization.

20597288848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 20597288848 in words is "twenty billion, five hundred ninety-seven million, two hundred eighty-eight thousand, eight hundred forty-eight".