20204347698 has 64 divisors (see below), whose sum is σ = 45139386240. Its totient is φ = 6698764800.

The previous prime is 20204347643. The next prime is 20204347711. The reversal of 20204347698 is 89674340202.

20204347698 is a `hidden beast` number, since 202 + 0 + 434 + 7 + 6 + 9 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9480093 + ... + 9482223.

It is an arithmetic number, because the mean of its divisors is an integer number (705302910).

Almost surely, 2^20204347698 is an apocalyptic number.

20204347698 is an abundant number, since it is smaller than the sum of its proper divisors (24935038542).

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

20204347698 is a wasteful number, since it uses less digits than its factorization.

20204347698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 20204347698 in words is "twenty billion, two hundred four million, three hundred forty-seven thousand, six hundred ninety-eight".