320023230220 has 12 divisors (see below), whose sum is σ = 672048783504. Its totient is φ = 128009292080.

The previous prime is 320023230209. The next prime is 320023230257. The reversal of 320023230220 is 22032320023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8000580736 + ... + 8000580775.

It is an arithmetic number, because the mean of its divisors is an integer number (56004065292).

Almost surely, 2^320023230220 is an apocalyptic number.

It is an amenable number.

320023230220 is an abundant number, since it is smaller than the sum of its proper divisors (352025553284).

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

320023230220 is a wasteful number, since it uses less digits than its factorization.

320023230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16001161520 (or 16001161518 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 320023230220 its reverse (22032320023), we get a palindrome (342055550243).

The spelling of 320023230220 in words is "three hundred twenty billion, twenty-three million, two hundred thirty thousand, two hundred twenty".