20116171240317 has 32 divisors (see below), whose sum is σ = 30440889538560. Its totient is φ = 13123256517360.

The previous prime is 20116171240259. The next prime is 20116171240327. The reversal of 20116171240317 is 71304217161102.

20116171240317 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 617 + 1 + 2 + 4 + 0 + 31 + 7 = 666.

It is not a de Polignac number, because 20116171240317 - 2³⁹ = 19566415426429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116171240327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6309378 + ... + 8946540.

It is an arithmetic number, because the mean of its divisors is an integer number (951277798080).

Almost surely, 2^{20116171240317} is an apocalyptic number.

20116171240317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20116171240317 is a deficient number, since it is larger than the sum of its proper divisors (10324718298243).

20116171240317 is a wasteful number, since it uses less digits than its factorization.

20116171240317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643230 (or 2643224 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 20116171240317 in words is "twenty trillion, one hundred sixteen billion, one hundred seventy-one million, two hundred forty thousand, three hundred seventeen".