20633347204 has 12 divisors (see below), whose sum is σ = 36616926528. Its totient is φ = 10171368200.

The previous prime is 20633347201. The next prime is 20633347243. The reversal of 20633347204 is 40274333602.

It is a self number, because there is not a number n which added to its sum of digits gives 20633347204.

It is not an unprimeable number, because it can be changed into a prime (20633347201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36326032 + ... + 36326599.

It is an arithmetic number, because the mean of its divisors is an integer number (3051410544).

Almost surely, 2^20633347204 is an apocalyptic number.

It is an amenable number.

20633347204 is a deficient number, since it is larger than the sum of its proper divisors (15983579324).

20633347204 is a wasteful number, since it uses less digits than its factorization.

20633347204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72652706 (or 72652704 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 20633347204 in words is "twenty billion, six hundred thirty-three million, three hundred forty-seven thousand, two hundred four".