20597250304 has 18 divisors (see below), whose sum is σ = 41114043110. Its totient is φ = 10298625024.

The previous prime is 20597250253. The next prime is 20597250403. The reversal of 20597250304 is 40305279502.

It can be written as a sum of positive squares in only one way, i.e., 13123993600 + 7473256704 = 114560^2 + 86448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40228749 + ... + 40229260.

Almost surely, 2^20597250304 is an apocalyptic number.

It is an amenable number.

20597250304 is a deficient number, since it is larger than the sum of its proper divisors (20516792806).

20597250304 is an frugal number, since it uses more digits than its factorization.

20597250304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80458025 (or 80458011 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 20597250304 in words is "twenty billion, five hundred ninety-seven million, two hundred fifty thousand, three hundred four".