20577174141 has 32 divisors (see below), whose sum is σ = 29328998400. Its totient is φ = 12804200640.

The previous prime is 20577174139. The next prime is 20577174143. The reversal of 20577174141 is 14147177502.

It is an interprime number because it is at equal distance from previous prime (20577174139) and next prime (20577174143).

It is not a de Polignac number, because 20577174141 - 2¹ = 20577174139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20577174141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20577174143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2928130 + ... + 2935148.

It is an arithmetic number, because the mean of its divisors is an integer number (916531200).

Almost surely, 2^20577174141 is an apocalyptic number.

It is an amenable number.

20577174141 is a deficient number, since it is larger than the sum of its proper divisors (8751824259).

20577174141 is a wasteful number, since it uses less digits than its factorization.

20577174141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 20577174141 in words is "twenty billion, five hundred seventy-seven million, one hundred seventy-four thousand, one hundred forty-one".