725350020 has 48 divisors (see below), whose sum is σ = 2032309440. Its totient is φ = 193300096.

The previous prime is 725350019. The next prime is 725350039. The reversal of 725350020 is 20053527.

It is a super-2 number, since 2×725350020² = 1052265303028000800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121219 + ... + 127061.

It is an arithmetic number, because the mean of its divisors is an integer number (42339780).

Almost surely, 2^725350020 is an apocalyptic number.

It is an amenable number.

725350020 is an abundant number, since it is smaller than the sum of its proper divisors (1306959420).

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

725350020 is a wasteful number, since it uses less digits than its factorization.

725350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 725350020 is about 26932.3229595963. The cubic root of 725350020 is about 898.4954367850.

The spelling of 725350020 in words is "seven hundred twenty-five million, three hundred fifty thousand, twenty".