20902922375 has 16 divisors (see below), whose sum is σ = 26723118240. Its totient is φ = 16314472000.

The previous prime is 20902922357. The next prime is 20902922401. The reversal of 20902922375 is 57322920902.

It is not a de Polignac number, because 20902922375 - 2⁸ = 20902922119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 2034185 + ... + 2044434.

It is an arithmetic number, because the mean of its divisors is an integer number (1670194890).

Almost surely, 2^20902922375 is an apocalyptic number.

20902922375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20902922375 is a deficient number, since it is larger than the sum of its proper divisors (5820195865).

20902922375 is an equidigital number, since it uses as much as digits as its factorization.

20902922375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078675 (or 4078665 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 20902922375 in words is "twenty billion, nine hundred two million, nine hundred twenty-two thousand, three hundred seventy-five".