6372662220 has 72 divisors (see below), whose sum is σ = 19340621664. Its totient is φ = 1698478848.

The previous prime is 6372662189. The next prime is 6372662227. The reversal of 6372662220 is 222662736.

6372662220 is a `hidden beast` number, since 6 + 3 + 7 + 2 + 6 + 622 + 20 = 666.

It is a super-2 number, since 2×6372662220² = 81221647540430656800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6372662227) 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, 376377 + ... + 392943.

Almost surely, 2^6372662220 is an apocalyptic number.

6372662220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6372662220 is an abundant number, since it is smaller than the sum of its proper divisors (12967959444).

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

6372662220 is a wasteful number, since it uses less digits than its factorization.

6372662220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719 (or 18714 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 6372662220 is about 79828.9560247408. The cubic root of 6372662220 is about 1853.9882035117.

The spelling of 6372662220 in words is "six billion, three hundred seventy-two million, six hundred sixty-two thousand, two hundred twenty".