20622640417516 has 96 divisors (see below), whose sum is σ = 40631739861888. Its totient is φ = 9106456719360.

The previous prime is 20622640417513. The next prime is 20622640417637. The reversal of 20622640417516 is 61571404622602.

It is a super-2 number, since 2×20622640417516² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (20622640417513) 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, 933435766 + ... + 933457858.

It is an arithmetic number, because the mean of its divisors is an integer number (423247290228).

Almost surely, 2^{20622640417516} is an apocalyptic number.

It is an amenable number.

20622640417516 is a deficient number, since it is larger than the sum of its proper divisors (20009099444372).

20622640417516 is a wasteful number, since it uses less digits than its factorization.

20622640417516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33451 (or 33449 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 20622640417516 in words is "twenty trillion, six hundred twenty-two billion, six hundred forty million, four hundred seventeen thousand, five hundred sixteen".