320223233330 has 128 divisors (see below), whose sum is σ = 774240768000. Its totient is φ = 92092803840.

The previous prime is 320223233329. The next prime is 320223233339. The reversal of 320223233330 is 33332322023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 320223233330.

It is not an unprimeable number, because it can be changed into a prime (320223233339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30014657 + ... + 30025323.

It is an arithmetic number, because the mean of its divisors is an integer number (6048756000).

Almost surely, 2^320223233330 is an apocalyptic number.

320223233330 is an abundant number, since it is smaller than the sum of its proper divisors (454017534670).

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

320223233330 is a wasteful number, since it uses less digits than its factorization.

320223233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704.

The product of its (nonzero) digits is 11664, while the sum is 26.

Adding to 320223233330 its reverse (33332322023), we get a palindrome (353555555353).

The spelling of 320223233330 in words is "three hundred twenty billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred thirty".