20698534848 has 28 divisors (see below), whose sum is σ = 54764873960. Its totient is φ = 6899511552.

The previous prime is 20698534819. The next prime is 20698534859. The reversal of 20698534848 is 84843589602.

It is a happy number.

It is a congruent number.

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, 53902243 + ... + 53902626.

Almost surely, 2^20698534848 is an apocalyptic number.

It is an amenable number.

20698534848 is an abundant number, since it is smaller than the sum of its proper divisors (34066339112).

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

20698534848 is a wasteful number, since it uses less digits than its factorization.

20698534848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107804884 (or 107804874 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 20698534848 in words is "twenty billion, six hundred ninety-eight million, five hundred thirty-four thousand, eight hundred forty-eight".