20378576795 has 12 divisors (see below), whose sum is σ = 25268592960. Its totient is φ = 15776958960.

The previous prime is 20378576791. The next prime is 20378576831. The reversal of 20378576795 is 59767587302.

It is a happy number.

It is not a de Polignac number, because 20378576795 - 2² = 20378576791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20378576791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2115755 + ... + 2125364.

It is an arithmetic number, because the mean of its divisors is an integer number (2105716080).

Almost surely, 2^20378576795 is an apocalyptic number.

20378576795 is a deficient number, since it is larger than the sum of its proper divisors (4890016165).

20378576795 is an equidigital number, since it uses as much as digits as its factorization.

20378576795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241186 (or 4241155 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 20378576795 in words is "twenty billion, three hundred seventy-eight million, five hundred seventy-six thousand, seven hundred ninety-five".