630660025020 has 24 divisors (see below), whose sum is σ = 1765848070224. Its totient is φ = 168176006656.

The previous prime is 630660025019. The next prime is 630660025109. The reversal of 630660025020 is 20520066036.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 5255500149 + ... + 5255500268.

It is an arithmetic number, because the mean of its divisors is an integer number (73577002926).

Almost surely, 2^630660025020 is an apocalyptic number.

630660025020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630660025020 is an abundant number, since it is smaller than the sum of its proper divisors (1135188045204).

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

630660025020 is a wasteful number, since it uses less digits than its factorization.

630660025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511000429 (or 10511000427 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 630660025020 in words is "six hundred thirty billion, six hundred sixty million, twenty-five thousand, twenty".