320113220300 has 72 divisors (see below), whose sum is σ = 725032407456. Its totient is φ = 122446888960.

The previous prime is 320113220299. The next prime is 320113220393. The reversal of 320113220300 is 3022311023.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10318412 + ... + 10349388.

It is an arithmetic number, because the mean of its divisors is an integer number (10069894548).

Almost surely, 2^320113220300 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 320113220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362516203728).

320113220300 is an abundant number, since it is smaller than the sum of its proper divisors (404919187156).

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

320113220300 is a wasteful number, since it uses less digits than its factorization.

320113220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35507 (or 35500 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320113220300 its reverse (3022311023), we get a palindrome (323135531323).

The spelling of 320113220300 in words is "three hundred twenty billion, one hundred thirteen million, two hundred twenty thousand, three hundred".