1320320332 has 24 divisors (see below), whose sum is σ = 2387280896. Its totient is φ = 638538768.

The previous prime is 1320320329. The next prime is 1320320347. The reversal of 1320320332 is 2330230231.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19548 + ... + 54979.

Almost surely, 2^1320320332 is an apocalyptic number.

It is an amenable number.

1320320332 is a deficient number, since it is larger than the sum of its proper divisors (1066960564).

1320320332 is a wasteful number, since it uses less digits than its factorization.

1320320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74677 (or 74675 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320320332 is about 36336.2124058081. The cubic root of 1320320332 is about 1097.0500386152.

Adding to 1320320332 its reverse (2330230231), we get a palindrome (3650550563).

The spelling of 1320320332 in words is "one billion, three hundred twenty million, three hundred twenty thousand, three hundred thirty-two".