20698889602 has 8 divisors (see below), whose sum is σ = 31072388112. Its totient is φ = 10341426900.

The previous prime is 20698889591. The next prime is 20698889683.

20698889602 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4005724 + ... + 4010887.

It is an arithmetic number, because the mean of its divisors is an integer number (3884048514).

Almost surely, 2^20698889602 is an apocalyptic number.

20698889602 is a deficient number, since it is larger than the sum of its proper divisors (10373498510).

20698889602 is a wasteful number, since it uses less digits than its factorization.

20698889602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017904.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 20698889602 in words is "twenty billion, six hundred ninety-eight million, eight hundred eighty-nine thousand, six hundred two".