320797132 has 6 divisors (see below), whose sum is σ = 561394988. Its totient is φ = 160398564.

The previous prime is 320797129. The next prime is 320797133. The reversal of 320797132 is 231797023.

It is not an unprimeable number, because it can be changed into a prime (320797133) 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 as a sum of consecutive naturals, namely, 40099638 + ... + 40099645.

Almost surely, 2^320797132 is an apocalyptic number.

It is an amenable number.

320797132 is a deficient number, since it is larger than the sum of its proper divisors (240597856).

320797132 is a wasteful number, since it uses less digits than its factorization.

320797132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80199287 (or 80199285 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 320797132 is about 17910.8104785909. The cubic root of 320797132 is about 684.5578562895.

The spelling of 320797132 in words is "three hundred twenty million, seven hundred ninety-seven thousand, one hundred thirty-two".