20330113223312 has 80 divisors (see below), whose sum is σ = 42607454734080. Its totient is φ = 9360599721984.

The previous prime is 20330113223309. The next prime is 20330113223317. The reversal of 20330113223312 is 21332231103302.

It is not an unprimeable number, because it can be changed into a prime (20330113223317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40493114 + ... + 40992102.

It is an arithmetic number, because the mean of its divisors is an integer number (532593184176).

Almost surely, 2^{20330113223312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330113223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21303727367040).

20330113223312 is an abundant number, since it is smaller than the sum of its proper divisors (22277341510768).

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

20330113223312 is a wasteful number, since it uses less digits than its factorization.

20330113223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502248 (or 502242 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20330113223312 its reverse (21332231103302), we get a palindrome (41662344326614).

The spelling of 20330113223312 in words is "twenty trillion, three hundred thirty billion, one hundred thirteen million, two hundred twenty-three thousand, three hundred twelve".