320020200230312 has 48 divisors (see below), whose sum is σ = 627283984701780. Its totient is φ = 153047473779200.

The previous prime is 320020200230279. The next prime is 320020200230333. The reversal of 320020200230312 is 213032002020023.

It can be written as a sum of positive squares in 2 ways, for example, as 309488526705796 + 10531673524516 = 17592286^2 + 3245254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114067262 + ... + 116839122.

Almost surely, 2^{320020200230312} is an apocalyptic number.

It is an amenable number.

320020200230312 is a deficient number, since it is larger than the sum of its proper divisors (307263784471468).

320020200230312 is a wasteful number, since it uses less digits than its factorization.

320020200230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799194 (or 2799167 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320020200230312 its reverse (213032002020023), we get a palindrome (533052202250335).

The spelling of 320020200230312 in words is "three hundred twenty trillion, twenty billion, two hundred million, two hundred thirty thousand, three hundred twelve".