623625020 has 12 divisors (see below), whose sum is σ = 1309612584. Its totient is φ = 249450000.

The previous prime is 623624993. The next prime is 623625061. The reversal of 623625020 is 20526326.

623625020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15590606 + ... + 15590645.

It is an arithmetic number, because the mean of its divisors is an integer number (109134382).

Almost surely, 2^623625020 is an apocalyptic number.

It is an amenable number.

623625020 is an abundant number, since it is smaller than the sum of its proper divisors (685987564).

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

623625020 is a wasteful number, since it uses less digits than its factorization.

623625020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31181260 (or 31181258 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 623625020 is about 24972.4852587803. The cubic root of 623625020 is about 854.3605309348.

The spelling of 623625020 in words is "six hundred twenty-three million, six hundred twenty-five thousand, twenty".