320322412 has 12 divisors (see below), whose sum is σ = 560707056. Its totient is φ = 160120400.

The previous prime is 320322389. The next prime is 320322419. The reversal of 320322412 is 214223023.

It is a self number, because there is not a number n which added to its sum of digits gives 320322412.

It is not an unprimeable number, because it can be changed into a prime (320322419) 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, 13662 + ... + 28762.

It is an arithmetic number, because the mean of its divisors is an integer number (46725588).

Almost surely, 2^320322412 is an apocalyptic number.

It is an amenable number.

320322412 is a deficient number, since it is larger than the sum of its proper divisors (240384644).

320322412 is a wasteful number, since it uses less digits than its factorization.

320322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20408 (or 20406 counting only the distinct ones).

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

The square root of 320322412 is about 17897.5532405969. The cubic root of 320322412 is about 684.2200168836.

Adding to 320322412 its reverse (214223023), we get a palindrome (534545435).

The spelling of 320322412 in words is "three hundred twenty million, three hundred twenty-two thousand, four hundred twelve".