320212220344 has 16 divisors (see below), whose sum is σ = 600678112320. Its totient is φ = 160031390400.

The previous prime is 320212220333. The next prime is 320212220347. The reversal of 320212220344 is 443022212023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320212220347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9321757 + ... + 9356044.

It is an arithmetic number, because the mean of its divisors is an integer number (37542382020).

Almost surely, 2^320212220344 is an apocalyptic number.

It is an amenable number.

320212220344 is a deficient number, since it is larger than the sum of its proper divisors (280465891976).

320212220344 is a wasteful number, since it uses less digits than its factorization.

320212220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18679950 (or 18679946 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 320212220344 its reverse (443022212023), we get a palindrome (763234432367).

The spelling of 320212220344 in words is "three hundred twenty billion, two hundred twelve million, two hundred twenty thousand, three hundred forty-four".