320233232 has 80 divisors (see below), whose sum is σ = 711383040. Its totient is φ = 138230400.

The previous prime is 320233183. The next prime is 320233237. The reversal of 320233232 is 232332023.

It is not an unprimeable number, because it can be changed into a prime (320233237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967307 + ... + 967637.

It is an arithmetic number, because the mean of its divisors is an integer number (8892288).

Almost surely, 2^320233232 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 320233232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355691520).

320233232 is an abundant number, since it is smaller than the sum of its proper divisors (391149808).

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

320233232 is a wasteful number, since it uses less digits than its factorization.

320233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 320233232 is about 17895.0616651634. The cubic root of 320233232 is about 684.1565137772.

Adding to 320233232 its reverse (232332023), we get a palindrome (552565255).

The spelling of 320233232 in words is "three hundred twenty million, two hundred thirty-three thousand, two hundred thirty-two".