20799928802 has 16 divisors (see below), whose sum is σ = 31608178560. Its totient is φ = 10263980688.

The previous prime is 20799928759. The next prime is 20799928837. The reversal of 20799928802 is 20882999702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364793 + ... + 417939.

It is an arithmetic number, because the mean of its divisors is an integer number (1975511160).

Almost surely, 2^20799928802 is an apocalyptic number.

20799928802 is a deficient number, since it is larger than the sum of its proper divisors (10808249758).

20799928802 is a wasteful number, since it uses less digits than its factorization.

20799928802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55705.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 20799928802 in words is "twenty billion, seven hundred ninety-nine million, nine hundred twenty-eight thousand, eight hundred two".