20117024171013 has 16 divisors (see below), whose sum is σ = 33441286934016. Its totient is φ = 10450402166640.

The previous prime is 20117024170987. The next prime is 20117024171063. The reversal of 20117024171013 is 31017142071102.

It is not a de Polignac number, because 20117024171013 - 2³⁴ = 20099844301829 is a prime.

It is a super-2 number, since 2×20117024171013² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117024171063) 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, 43543342131 + ... + 43543342592.

It is an arithmetic number, because the mean of its divisors is an integer number (2090080433376).

Almost surely, 2^{20117024171013} is an apocalyptic number.

It is an amenable number.

20117024171013 is a deficient number, since it is larger than the sum of its proper divisors (13324262763003).

20117024171013 is a wasteful number, since it uses less digits than its factorization.

20117024171013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87086684744.

The product of its (nonzero) digits is 2352, while the sum is 30.

The spelling of 20117024171013 in words is "twenty trillion, one hundred seventeen billion, twenty-four million, one hundred seventy-one thousand, thirteen".