320230372 has 72 divisors (see below), whose sum is σ = 726924800. Its totient is φ = 120700800.

The previous prime is 320230369. The next prime is 320230397. The reversal of 320230372 is 273032023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103504 + ... + 106552.

Almost surely, 2^320230372 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 320230372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363462400).

320230372 is an abundant number, since it is smaller than the sum of its proper divisors (406694428).

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

320230372 is a wasteful number, since it uses less digits than its factorization.

320230372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 320230372 is about 17894.9817546708. The cubic root of 320230372 is about 684.1544770393.

Adding to 320230372 its reverse (273032023), we get a palindrome (593262395).

The spelling of 320230372 in words is "three hundred twenty million, two hundred thirty thousand, three hundred seventy-two".