20365416056 has 16 divisors (see below), whose sum is σ = 39845379600. Its totient is φ = 9739981504.

The previous prime is 20365416047. The next prime is 20365416077. The reversal of 20365416056 is 65061456302.

It is a happy number.

It is a super-2 number, since 2×20365416056² (a number of 21 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, 55340621 + ... + 55340988.

It is an arithmetic number, because the mean of its divisors is an integer number (2490336225).

Almost surely, 2^20365416056 is an apocalyptic number.

It is an amenable number.

20365416056 is a deficient number, since it is larger than the sum of its proper divisors (19479963544).

20365416056 is a wasteful number, since it uses less digits than its factorization.

20365416056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110681638 (or 110681634 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20365416056 in words is "twenty billion, three hundred sixty-five million, four hundred sixteen thousand, fifty-six".