320221473328 has 10 divisors (see below), whose sum is σ = 620429104604. Its totient is φ = 160110736656.

The previous prime is 320221473311. The next prime is 320221473343. The reversal of 320221473328 is 823374122023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006921026 + ... + 10006921057.

Almost surely, 2^320221473328 is an apocalyptic number.

It is an amenable number.

320221473328 is a deficient number, since it is larger than the sum of its proper divisors (300207631276).

320221473328 is a wasteful number, since it uses less digits than its factorization.

320221473328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20013842091 (or 20013842085 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 320221473328 in words is "three hundred twenty billion, two hundred twenty-one million, four hundred seventy-three thousand, three hundred twenty-eight".