20375771379 has 16 divisors (see below), whose sum is σ = 29237369760. Its totient is φ = 12575208960.

The previous prime is 20375771341. The next prime is 20375771417. The reversal of 20375771379 is 97317757302.

It is an interprime number because it is at equal distance from previous prime (20375771341) and next prime (20375771417).

It is not a de Polignac number, because 20375771379 - 2⁸ = 20375771123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (20375771279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271684 + ... + 3277905.

It is an arithmetic number, because the mean of its divisors is an integer number (1827335610).

Almost surely, 2^20375771379 is an apocalyptic number.

20375771379 is a deficient number, since it is larger than the sum of its proper divisors (8861598381).

20375771379 is a wasteful number, since it uses less digits than its factorization.

20375771379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549670.

The product of its (nonzero) digits is 1944810, while the sum is 51.

The spelling of 20375771379 in words is "twenty billion, three hundred seventy-five million, seven hundred seventy-one thousand, three hundred seventy-nine".