363642660220 has 72 divisors (see below), whose sum is σ = 935081174160. Its totient is φ = 118115504640.

The previous prime is 363642660203. The next prime is 363642660229. The reversal of 363642660220 is 22066246363.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363642660229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9746221 + ... + 9783460.

It is an arithmetic number, because the mean of its divisors is an integer number (12987238530).

Almost surely, 2^363642660220 is an apocalyptic number.

It is an amenable number.

363642660220 is an abundant number, since it is smaller than the sum of its proper divisors (571438513940).

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

363642660220 is a wasteful number, since it uses less digits than its factorization.

363642660220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529723 (or 19529714 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 363642660220 in words is "three hundred sixty-three billion, six hundred forty-two million, six hundred sixty thousand, two hundred twenty".