63255020 has 24 divisors (see below), whose sum is σ = 133585200. Its totient is φ = 25159232.

The previous prime is 63255013. The next prime is 63255043. The reversal of 63255020 is 2055236.

It is a happy 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, 5255 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (5566050).

Almost surely, 2^63255020 is an apocalyptic number.

It is an amenable number.

63255020 is an abundant number, since it is smaller than the sum of its proper divisors (70330180).

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

63255020 is a wasteful number, since it uses less digits than its factorization.

63255020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857 (or 17855 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 63255020 is about 7953.3024587274. The cubic root of 63255020 is about 398.4418970013.

The spelling of 63255020 in words is "sixty-three million, two hundred fifty-five thousand, twenty".