20117334615 has 64 divisors (see below), whose sum is σ = 38762419200. Its totient is φ = 8703396864.

The previous prime is 20117334599. The next prime is 20117334661. The reversal of 20117334615 is 51643371102.

It is not a de Polignac number, because 20117334615 - 2⁴ = 20117334599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2127939 + ... + 2137371.

It is an arithmetic number, because the mean of its divisors is an integer number (605662800).

Almost surely, 2^20117334615 is an apocalyptic number.

20117334615 is a deficient number, since it is larger than the sum of its proper divisors (18645084585).

20117334615 is a wasteful number, since it uses less digits than its factorization.

20117334615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 20117334615 in words is "twenty billion, one hundred seventeen million, three hundred thirty-four thousand, six hundred fifteen".