20396701600 has 72 divisors (see below), whose sum is σ = 54320148288. Its totient is φ = 7416979200.

The previous prime is 20396701561. The next prime is 20396701651. The reversal of 20396701600 is 610769302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150104 + ... + 1167703.

It is an arithmetic number, because the mean of its divisors is an integer number (754446504).

Almost surely, 2^20396701600 is an apocalyptic number.

20396701600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20396701600 is an abundant number, since it is smaller than the sum of its proper divisors (33923446688).

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

20396701600 is a wasteful number, since it uses less digits than its factorization.

20396701600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317838 (or 2317825 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 20396701600 in words is "twenty billion, three hundred ninety-six million, seven hundred one thousand, six hundred".