1320320132 has 24 divisors (see below), whose sum is σ = 2386728960. Its totient is φ = 638426880.

The previous prime is 1320320123. The next prime is 1320320143. The reversal of 1320320132 is 2310230231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320320132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247469 + ... + 252747.

It is an arithmetic number, because the mean of its divisors is an integer number (99447040).

Almost surely, 2^1320320132 is an apocalyptic number.

It is an amenable number.

1320320132 is a deficient number, since it is larger than the sum of its proper divisors (1066408828).

1320320132 is a wasteful number, since it uses less digits than its factorization.

1320320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331 (or 7329 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320320132 is about 36336.2096537325. The cubic root of 1320320132 is about 1097.0499832221.

Adding to 1320320132 its reverse (2310230231), we get a palindrome (3630550363).

The spelling of 1320320132 in words is "one billion, three hundred twenty million, three hundred twenty thousand, one hundred thirty-two".