20396058117 has 16 divisors (see below), whose sum is σ = 28694400000. Its totient is φ = 12850961904.

The previous prime is 20396058113. The next prime is 20396058143. The reversal of 20396058117 is 71185069302.

It is not a de Polignac number, because 20396058117 - 2² = 20396058113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396058113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403117 + ... + 450882.

It is an arithmetic number, because the mean of its divisors is an integer number (1793400000).

Almost surely, 2^20396058117 is an apocalyptic number.

It is an amenable number.

20396058117 is a deficient number, since it is larger than the sum of its proper divisors (8298341883).

20396058117 is a wasteful number, since it uses less digits than its factorization.

20396058117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854440.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 20396058117 in words is "twenty billion, three hundred ninety-six million, fifty-eight thousand, one hundred seventeen".