320303020000 has 240 divisors, whose sum is σ = 799639283520. Its totient is φ = 126242816000.

The previous prime is 320303019983. The next prime is 320303020001. The reversal of 320303020000 is 20303023.

It is a super-2 number, since 2×320303020000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320303020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 540139704 + ... + 540140296.

It is an arithmetic number, because the mean of its divisors is an integer number (3331830348).

Almost surely, 2^320303020000 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 320303020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399819641760).

320303020000 is an abundant number, since it is smaller than the sum of its proper divisors (479336263520).

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

320303020000 is a wasteful number, since it uses less digits than its factorization.

320303020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

Adding to 320303020000 its reverse (20303023), we get a palindrome (320323323023).

The spelling of 320303020000 in words is "three hundred twenty billion, three hundred three million, twenty thousand".