20874151711 has 16 divisors (see below), whose sum is σ = 24146774080. Its totient is φ = 17675159040.

The previous prime is 20874151693. The next prime is 20874151721. The reversal of 20874151711 is 11715147802.

It is not a de Polignac number, because 20874151711 - 2¹³ = 20874143519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20874151721) 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, 216541 + ... + 297721.

It is an arithmetic number, because the mean of its divisors is an integer number (1509173380).

Almost surely, 2^20874151711 is an apocalyptic number.

20874151711 is a deficient number, since it is larger than the sum of its proper divisors (3272622369).

20874151711 is a wasteful number, since it uses less digits than its factorization.

20874151711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81634.

The product of its (nonzero) digits is 15680, while the sum is 37.

The spelling of 20874151711 in words is "twenty billion, eight hundred seventy-four million, one hundred fifty-one thousand, seven hundred eleven".