20374940871 has 12 divisors (see below), whose sum is σ = 30979442520. Its totient is φ = 12868383600.

The previous prime is 20374940863. The next prime is 20374940899. The reversal of 20374940871 is 17804947302.

It is not a de Polignac number, because 20374940871 - 2³ = 20374940863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374940821) 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, 59575680 + ... + 59576021.

It is an arithmetic number, because the mean of its divisors is an integer number (2581620210).

Almost surely, 2^20374940871 is an apocalyptic number.

20374940871 is a deficient number, since it is larger than the sum of its proper divisors (10604501649).

20374940871 is a wasteful number, since it uses less digits than its factorization.

20374940871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119151726 (or 119151723 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 20374940871 in words is "twenty billion, three hundred seventy-four million, nine hundred forty thousand, eight hundred seventy-one".