220312033130320 has 40 divisors (see below), whose sum is σ = 512226416989224. Its totient is φ = 88124651538432.

The previous prime is 220312033130317. The next prime is 220312033130359. The reversal of 220312033130320 is 23031330213022.

It can be written as a sum of positive squares in 4 ways, for example, as 52470784043584 + 167841249086736 = 7243672^2 + 12955356^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47490852 + ... + 51923068.

Almost surely, 2^{220312033130320} is an apocalyptic number.

220312033130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220312033130320 is an abundant number, since it is smaller than the sum of its proper divisors (291914383858904).

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

220312033130320 is a wasteful number, since it uses less digits than its factorization.

220312033130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053567 (or 5053561 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 220312033130320 its reverse (23031330213022), we get a palindrome (243343363343342).

The spelling of 220312033130320 in words is "two hundred twenty trillion, three hundred twelve billion, thirty-three million, one hundred thirty thousand, three hundred twenty".