725560207020 has 120 divisors (see below), whose sum is σ = 2483028325008. Its totient is φ = 175893379200.

The previous prime is 725560206989. The next prime is 725560207027. The reversal of 725560207020 is 20702065527.

725560207020 is a `hidden beast` number, since 7 + 2 + 5 + 560 + 2 + 0 + 70 + 20 = 666.

It is a super-2 number, since 2×725560207020² (a number of 25 digits) 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 (725560207027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20340211 + ... + 20375850.

Almost surely, 2^725560207020 is an apocalyptic number.

It is an amenable number.

725560207020 is an abundant number, since it is smaller than the sum of its proper divisors (1757468117988).

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

725560207020 is a wasteful number, since it uses less digits than its factorization.

725560207020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40716093 (or 40716082 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 725560207020 in words is "seven hundred twenty-five billion, five hundred sixty million, two hundred seven thousand, twenty".