6320636020 has 24 divisors (see below), whose sum is σ = 13295520000. Its totient is φ = 2524028832.

The previous prime is 6320635913. The next prime is 6320636027. The reversal of 6320636020 is 206360236.

It is a self number, because there is not a number n which added to its sum of digits gives 6320636020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6320636027) 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, 251820 + ... + 275779.

It is an arithmetic number, because the mean of its divisors is an integer number (553980000).

Almost surely, 2^6320636020 is an apocalyptic number.

It is an amenable number.

6320636020 is an abundant number, since it is smaller than the sum of its proper divisors (6974883980).

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

6320636020 is a wasteful number, since it uses less digits than its factorization.

6320636020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528207 (or 528205 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6320636020 is about 79502.4277616728. The cubic root of 6320636020 is about 1848.9291119046.

Adding to 6320636020 its reverse (206360236), we get a palindrome (6526996256).

The spelling of 6320636020 in words is "six billion, three hundred twenty million, six hundred thirty-six thousand, twenty".