320221324 has 12 divisors (see below), whose sum is σ = 563826424. Its totient is φ = 159128064.

The previous prime is 320221313. The next prime is 320221327. The reversal of 320221324 is 423122023.

It is not an unprimeable number, because it can be changed into a prime (320221327) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 244917 + ... + 246220.

Almost surely, 2^320221324 is an apocalyptic number.

It is an amenable number.

320221324 is a deficient number, since it is larger than the sum of its proper divisors (243605100).

320221324 is a wasteful number, since it uses less digits than its factorization.

320221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491304 (or 491302 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 320221324 is about 17894.7289445803. The cubic root of 320221324 is about 684.1480334615.

Adding to 320221324 its reverse (423122023), we get a palindrome (743343347).

The spelling of 320221324 in words is "three hundred twenty million, two hundred twenty-one thousand, three hundred twenty-four".