20216112055715 has 16 divisors (see below), whose sum is σ = 24269291157216. Its totient is φ = 16166252678400.

The previous prime is 20216112055679. The next prime is 20216112055739. The reversal of 20216112055715 is 51755021161202.

It is a happy number.

It is not a de Polignac number, because 20216112055715 - 2²⁴ = 20216095278499 is a prime.

It is a super-2 number, since 2×20216112055715² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239732399 + ... + 239816711.

It is an arithmetic number, because the mean of its divisors is an integer number (1516830697326).

Almost surely, 2^{20216112055715} is an apocalyptic number.

20216112055715 is a deficient number, since it is larger than the sum of its proper divisors (4053179101501).

20216112055715 is a wasteful number, since it uses less digits than its factorization.

20216112055715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103430.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 20216112055715 in words is "twenty trillion, two hundred sixteen billion, one hundred twelve million, fifty-five thousand, seven hundred fifteen".