6622624020 has 24 divisors (see below), whose sum is σ = 18543347424. Its totient is φ = 1766033056.

The previous prime is 6622623967. The next prime is 6622624039. The reversal of 6622624020 is 204262266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55188474 + ... + 55188593.

It is an arithmetic number, because the mean of its divisors is an integer number (772639476).

Almost surely, 2^6622624020 is an apocalyptic number.

6622624020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6622624020 is an abundant number, since it is smaller than the sum of its proper divisors (11920723404).

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

6622624020 is a wasteful number, since it uses less digits than its factorization.

6622624020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110377079 (or 110377077 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6622624020 is about 81379.5061425172. The cubic root of 6622624020 is about 1877.9183254886.

Adding to 6622624020 its reverse (204262266), we get a palindrome (6826886286).

The spelling of 6622624020 in words is "six billion, six hundred twenty-two million, six hundred twenty-four thousand, twenty".