320020204 has 12 divisors (see below), whose sum is σ = 640040464. Its totient is φ = 137151504.

The previous prime is 320020193. The next prime is 320020243. The reversal of 320020204 is 402020023.

320020204 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714619 + ... + 5714674.

Almost surely, 2^320020204 is an apocalyptic number.

It is an amenable number.

320020204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320020204 is a wasteful number, since it uses less digits than its factorization.

320020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429304 (or 11429302 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 320020204 is about 17889.1085300526. The cubic root of 320020204 is about 684.0047735152.

Adding to 320020204 its reverse (402020023), we get a palindrome (722040227).

The spelling of 320020204 in words is "three hundred twenty million, twenty thousand, two hundred four".