20117671174 has 32 divisors (see below), whose sum is σ = 32830893216. Its totient is φ = 9208442880.

The previous prime is 20117671159. The next prime is 20117671177. The reversal of 20117671174 is 47117671102.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323794 + ... + 380890.

It is an arithmetic number, because the mean of its divisors is an integer number (1025965413).

Almost surely, 2^20117671174 is an apocalyptic number.

20117671174 is a deficient number, since it is larger than the sum of its proper divisors (12713222042).

20117671174 is a wasteful number, since it uses less digits than its factorization.

20117671174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57400.

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 20117671174 in words is "twenty billion, one hundred seventeen million, six hundred seventy-one thousand, one hundred seventy-four".