725020120 has 64 divisors (see below), whose sum is σ = 1817510400. Its totient is φ = 258026880.

The previous prime is 725020081. The next prime is 725020129. The reversal of 725020120 is 21020527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725020129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (28398600).

Almost surely, 2^725020120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908755200).

725020120 is an abundant number, since it is smaller than the sum of its proper divisors (1092490280).

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

725020120 is a wasteful number, since it uses less digits than its factorization.

725020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35128 (or 35124 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 725020120 is about 26926.1976521008. The cubic root of 725020120 is about 898.3591997567.

Adding to 725020120 its reverse (21020527), we get a palindrome (746040647).

The spelling of 725020120 in words is "seven hundred twenty-five million, twenty thousand, one hundred twenty".