20698579114 has 4 divisors (see below), whose sum is σ = 31047868674. Its totient is φ = 10349289556.

The previous prime is 20698579087. The next prime is 20698579123. The reversal of 20698579114 is 41197589602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18746264889 + 1952314225 = 136917^2 + 44185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5174644777 + ... + 5174644780.

Almost surely, 2^20698579114 is an apocalyptic number.

20698579114 is a deficient number, since it is larger than the sum of its proper divisors (10349289560).

20698579114 is a wasteful number, since it uses less digits than its factorization.

20698579114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349289559.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 20698579114 in words is "twenty billion, six hundred ninety-eight million, five hundred seventy-nine thousand, one hundred fourteen".