320200912 has 20 divisors (see below), whose sum is σ = 629129376. Its totient is φ = 157844960.

The previous prime is 320200897. The next prime is 320200913. The reversal of 320200912 is 219002023.

It is a happy number.

320200912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 320200912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139798 + ... + 142069.

Almost surely, 2^320200912 is an apocalyptic number.

It is an amenable number.

320200912 is a deficient number, since it is larger than the sum of its proper divisors (308928464).

320200912 is a wasteful number, since it uses less digits than its factorization.

320200912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281946 (or 281940 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 320200912 is about 17894.1585999454. The cubic root of 320200912 is about 684.1334965091.

Adding to 320200912 its reverse (219002023), we get a palindrome (539202935).

The spelling of 320200912 in words is "three hundred twenty million, two hundred thousand, nine hundred twelve".