20117625620635 has 8 divisors (see below), whose sum is σ = 24303171891600. Its totient is φ = 15986086398624.

The previous prime is 20117625620633. The next prime is 20117625620663. The reversal of 20117625620635 is 53602652671102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20117625620635 - 2¹ = 20117625620633 is a prime.

It is a super-2 number, since 2×20117625620635² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20117625620633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13501761417 + ... + 13501762906.

It is an arithmetic number, because the mean of its divisors is an integer number (3037896486450).

Almost surely, 2^{20117625620635} is an apocalyptic number.

20117625620635 is a deficient number, since it is larger than the sum of its proper divisors (4185546270965).

20117625620635 is a wasteful number, since it uses less digits than its factorization.

20117625620635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003524477.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 20117625620635 in words is "twenty trillion, one hundred seventeen billion, six hundred twenty-five million, six hundred twenty thousand, six hundred thirty-five".