20117671175 has 48 divisors (see below), whose sum is σ = 28737446400. Its totient is φ = 13685189760.

The previous prime is 20117671159. The next prime is 20117671177. The reversal of 20117671175 is 57117671102.

It is not a de Polignac number, because 20117671175 - 2⁴ = 20117671159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117671177) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16262657 + ... + 16263893.

It is an arithmetic number, because the mean of its divisors is an integer number (598696800).

Almost surely, 2^20117671175 is an apocalyptic number.

20117671175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20117671175 is a deficient number, since it is larger than the sum of its proper divisors (8619775225).

20117671175 is a wasteful number, since it uses less digits than its factorization.

20117671175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 20117671175 in words is "twenty billion, one hundred seventeen million, six hundred seventy-one thousand, one hundred seventy-five".