20733108424 has 64 divisors (see below), whose sum is σ = 44726463360. Its totient is φ = 8826155520.

The previous prime is 20733108413. The next prime is 20733108437. The reversal of 20733108424 is 42480133702.

It is a self number, because there is not a number n which added to its sum of digits gives 20733108424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5458494 + ... + 5462290.

It is an arithmetic number, because the mean of its divisors is an integer number (698850990).

Almost surely, 2^20733108424 is an apocalyptic number.

It is an amenable number.

20733108424 is an abundant number, since it is smaller than the sum of its proper divisors (23993354936).

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

20733108424 is a wasteful number, since it uses less digits than its factorization.

20733108424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438 (or 4434 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 20733108424 in words is "twenty billion, seven hundred thirty-three million, one hundred eight thousand, four hundred twenty-four".