20117702717102 has 8 divisors (see below), whose sum is σ = 30209678726112. Its totient is φ = 10047809808400.

The previous prime is 20117702717093. The next prime is 20117702717129. The reversal of 20117702717102 is 20171720771102.

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

It is a super-2 number, since 2×20117702717102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520772799 + ... + 5520776442.

It is an arithmetic number, because the mean of its divisors is an integer number (3776209840764).

Almost surely, 2^{20117702717102} is an apocalyptic number.

20117702717102 is a deficient number, since it is larger than the sum of its proper divisors (10091976009010).

20117702717102 is a wasteful number, since it uses less digits than its factorization.

20117702717102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041550154.

The product of its (nonzero) digits is 19208, while the sum is 38.

The spelling of 20117702717102 in words is "twenty trillion, one hundred seventeen billion, seven hundred two million, seven hundred seventeen thousand, one hundred two".