20418360708 has 48 divisors (see below), whose sum is σ = 48195725760. Its totient is φ = 6727317504.

The previous prime is 20418360701. The next prime is 20418360737. The reversal of 20418360708 is 80706381402.

It is a super-2 number, since 2×20418360708² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20418360701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930835 + ... + 952517.

It is an arithmetic number, because the mean of its divisors is an integer number (1004077620).

Almost surely, 2^20418360708 is an apocalyptic number.

It is an amenable number.

20418360708 is an abundant number, since it is smaller than the sum of its proper divisors (27777365052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20418360708 is a wasteful number, since it uses less digits than its factorization.

20418360708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22596 (or 22594 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 20418360708 in words is "twenty billion, four hundred eighteen million, three hundred sixty thousand, seven hundred eight".