220030013312 has 32 divisors (see below), whose sum is σ = 444514878000. Its totient is φ = 108465495040.

The previous prime is 220030013311. The next prime is 220030013317. The reversal of 220030013312 is 213310030022.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030013311) 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, 12096437 + ... + 12114612.

Almost surely, 2^220030013312 is an apocalyptic number.

It is an amenable number.

220030013312 is an abundant number, since it is smaller than the sum of its proper divisors (224484864688).

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

220030013312 is an equidigital number, since it uses as much as digits as its factorization.

220030013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24211134 (or 24211122 counting only the distinct ones).

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

Adding to 220030013312 its reverse (213310030022), we get a palindrome (433340043334).

The spelling of 220030013312 in words is "two hundred twenty billion, thirty million, thirteen thousand, three hundred twelve".