320424232 has 8 divisors (see below), whose sum is σ = 600795450. Its totient is φ = 160212112.

The previous prime is 320424191. The next prime is 320424241. The reversal of 320424232 is 232424023.

It can be written as a sum of positive squares in only one way, i.e., 314920516 + 5503716 = 17746^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026507 + ... + 20026522.

Almost surely, 2^320424232 is an apocalyptic number.

It is an amenable number.

320424232 is a deficient number, since it is larger than the sum of its proper divisors (280371218).

320424232 is a wasteful number, since it uses less digits than its factorization.

320424232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40053035 (or 40053031 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 320424232 is about 17900.3975374850. The cubic root of 320424232 is about 684.2925062455.

Adding to 320424232 its reverse (232424023), we get a palindrome (552848255).

The spelling of 320424232 in words is "three hundred twenty million, four hundred twenty-four thousand, two hundred thirty-two".