320203199968 has 24 divisors (see below), whose sum is σ = 633177157032. Its totient is φ = 159396302976.

The previous prime is 320203199963. The next prime is 320203199989. The reversal of 320203199968 is 869991302023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320203199963) 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, 22033155 + ... + 22047682.

It is an arithmetic number, because the mean of its divisors is an integer number (26382381543).

Almost surely, 2^320203199968 is an apocalyptic number.

It is an amenable number.

320203199968 is a deficient number, since it is larger than the sum of its proper divisors (312973957064).

320203199968 is a wasteful number, since it uses less digits than its factorization.

320203199968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44081074 (or 44081066 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 320203199968 in words is "three hundred twenty billion, two hundred three million, one hundred ninety-nine thousand, nine hundred sixty-eight".