320231033320000 has 280 divisors, whose sum is σ = 871993950265152. Its totient is φ = 115676448000000.

The previous prime is 320231033319973. The next prime is 320231033320007. The reversal of 320231033320000 is 23330132023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (320231033320007) 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, 64030074 + ... + 68849926.

Almost surely, 2^{320231033320000} 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 320231033320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435996975132576).

320231033320000 is an abundant number, since it is smaller than the sum of its proper divisors (551762916945152).

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

320231033320000 is a wasteful number, since it uses less digits than its factorization.

320231033320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820047 (or 4820022 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 320231033320000 its reverse (23330132023), we get a palindrome (320254363452023).

The spelling of 320231033320000 in words is "three hundred twenty trillion, two hundred thirty-one billion, thirty-three million, three hundred twenty thousand".