20698579235 has 16 divisors (see below), whose sum is σ = 25196147712. Its totient is φ = 16320444000.

The previous prime is 20698579229. The next prime is 20698579247. The reversal of 20698579235 is 53297589602.

It is not a de Polignac number, because 20698579235 - 2¹⁴ = 20698562851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415210 + ... + 1429760.

It is an arithmetic number, because the mean of its divisors is an integer number (1574759232).

Almost surely, 2^20698579235 is an apocalyptic number.

20698579235 is a deficient number, since it is larger than the sum of its proper divisors (4497568477).

20698579235 is a wasteful number, since it uses less digits than its factorization.

20698579235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 20698579235 in words is "twenty billion, six hundred ninety-eight million, five hundred seventy-nine thousand, two hundred thirty-five".