20157182411 has 4 divisors (see below), whose sum is σ = 20342110800. Its totient is φ = 19972254024.

The previous prime is 20157182371. The next prime is 20157182413. The reversal of 20157182411 is 11428175102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20157182411 - 2²⁶ = 20090073547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20157182413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92464031 + ... + 92464248.

It is an arithmetic number, because the mean of its divisors is an integer number (5085527700).

Almost surely, 2^20157182411 is an apocalyptic number.

20157182411 is a deficient number, since it is larger than the sum of its proper divisors (184928389).

20157182411 is a wasteful number, since it uses less digits than its factorization.

20157182411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184928388.

The product of its (nonzero) digits is 4480, while the sum is 32.

The spelling of 20157182411 in words is "twenty billion, one hundred fifty-seven million, one hundred eighty-two thousand, four hundred eleven".