720118320 has 80 divisors (see below), whose sum is σ = 2254117632. Its totient is φ = 190160640.

The previous prime is 720118303. The next prime is 720118387. The reversal of 720118320 is 23811027.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10155 + ... + 39285.

Almost surely, 2^720118320 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 720118320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127058816).

720118320 is an abundant number, since it is smaller than the sum of its proper divisors (1533999312).

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

720118320 is a wasteful number, since it uses less digits than its factorization.

720118320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29250 (or 29244 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 720118320 is about 26835.0204024517. The cubic root of 720118320 is about 896.3300429010.

Adding to 720118320 its reverse (23811027), we get a palindrome (743929347).

The spelling of 720118320 in words is "seven hundred twenty million, one hundred eighteen thousand, three hundred twenty".