320240572 has 12 divisors (see below), whose sum is σ = 560546280. Its totient is φ = 160084496.

The previous prime is 320240567. The next prime is 320240579. The reversal of 320240572 is 275042023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320240579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30954 + ... + 39982.

It is an arithmetic number, because the mean of its divisors is an integer number (46712190).

Almost surely, 2^320240572 is an apocalyptic number.

It is an amenable number.

320240572 is a deficient number, since it is larger than the sum of its proper divisors (240305708).

320240572 is a wasteful number, since it uses less digits than its factorization.

320240572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17900 (or 17898 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 320240572 is about 17895.2667485008. The cubic root of 320240572 is about 684.1617408741.

Adding to 320240572 its reverse (275042023), we get a palindrome (595282595).

The spelling of 320240572 in words is "three hundred twenty million, two hundred forty thousand, five hundred seventy-two".