320223032000 has 224 divisors, whose sum is σ = 825237953280. Its totient is φ = 122990899200.

The previous prime is 320223031957. The next prime is 320223032011. The reversal of 320223032000 is 230322023.

It is a self number, because there is not a number n which added to its sum of digits gives 320223032000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19919966 + ... + 19936034.

Almost surely, 2^320223032000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320223032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412618976640).

320223032000 is an abundant number, since it is smaller than the sum of its proper divisors (505014921280).

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

320223032000 is a wasteful number, since it uses less digits than its factorization.

320223032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16196 (or 16176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 320223032000 its reverse (230322023), we get a palindrome (320453354023).

The spelling of 320223032000 in words is "three hundred twenty billion, two hundred twenty-three million, thirty-two thousand".