20373646352375 has 32 divisors (see below), whose sum is σ = 26346957711360. Its totient is φ = 15718354797600.

The previous prime is 20373646352369. The next prime is 20373646352387. The reversal of 20373646352375 is 57325364637302.

It is a happy number.

It is not a de Polignac number, because 20373646352375 - 2²⁰ = 20373645303799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20373646352375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23565539 + ... + 24414788.

It is an arithmetic number, because the mean of its divisors is an integer number (823342428480).

Almost surely, 2^{20373646352375} is an apocalyptic number.

20373646352375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20373646352375 is a deficient number, since it is larger than the sum of its proper divisors (5973311358985).

20373646352375 is an equidigital number, since it uses as much as digits as its factorization.

20373646352375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47980464 (or 47980454 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 56.

The spelling of 20373646352375 in words is "twenty trillion, three hundred seventy-three billion, six hundred forty-six million, three hundred fifty-two thousand, three hundred seventy-five".