20375301918 has 16 divisors (see below), whose sum is σ = 40753938960. Its totient is φ = 6791211456.

The previous prime is 20375301899. The next prime is 20375301943. The reversal of 20375301918 is 81910357302.

It is a congruent number.

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, 55705 + ... + 209412.

It is an arithmetic number, because the mean of its divisors is an integer number (2547121185).

Almost surely, 2^20375301918 is an apocalyptic number.

20375301918 is an abundant number, since it is smaller than the sum of its proper divisors (20378637042).

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

20375301918 is a wasteful number, since it uses less digits than its factorization.

20375301918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277931.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 20375301918 in words is "twenty billion, three hundred seventy-five million, three hundred one thousand, nine hundred eighteen".