320550068 has 12 divisors (see below), whose sum is σ = 570470880. Its totient is φ = 157558392.

The previous prime is 320550053. The next prime is 320550073. The reversal of 320550068 is 860055023.

It is a self number, because there is not a number n which added to its sum of digits gives 320550068.

It is a congruent 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, 678896 + ... + 679367.

It is an arithmetic number, because the mean of its divisors is an integer number (47539240).

Almost surely, 2^320550068 is an apocalyptic number.

It is an amenable number.

320550068 is a deficient number, since it is larger than the sum of its proper divisors (249920812).

320550068 is a wasteful number, since it uses less digits than its factorization.

320550068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358326 (or 1358324 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 320550068 is about 17903.9120864687. The cubic root of 320550068 is about 684.3820722579.

The spelling of 320550068 in words is "three hundred twenty million, five hundred fifty thousand, sixty-eight".