320263012 has 24 divisors (see below), whose sum is σ = 594621440. Its totient is φ = 150504480.

The previous prime is 320263007. The next prime is 320263019. The reversal of 320263012 is 210362023.

320263012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (320263019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6939 + ... + 26242.

Almost surely, 2^320263012 is an apocalyptic number.

It is an amenable number.

320263012 is a deficient number, since it is larger than the sum of its proper divisors (274358428).

320263012 is a wasteful number, since it uses less digits than its factorization.

320263012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33331 (or 33329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320263012 is about 17895.8937189513. The cubic root of 320263012 is about 684.1777207678.

The spelling of 320263012 in words is "three hundred twenty million, two hundred sixty-three thousand, twelve".