20117034145117 has 8 divisors (see below), whose sum is σ = 24759426640256. Its totient is φ = 15916774268592.

The previous prime is 20117034145093. The next prime is 20117034145151. The reversal of 20117034145117 is 71154143071102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20117034145117 - 2⁷ = 20117034144989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117034145157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110533154553 + ... + 110533154734.

It is an arithmetic number, because the mean of its divisors is an integer number (3094928330032).

Almost surely, 2^{20117034145117} is an apocalyptic number.

It is an amenable number.

20117034145117 is a deficient number, since it is larger than the sum of its proper divisors (4642392495139).

20117034145117 is a wasteful number, since it uses less digits than its factorization.

20117034145117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221066309307.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 20117034145117 in words is "twenty trillion, one hundred seventeen billion, thirty-four million, one hundred forty-five thousand, one hundred seventeen".