20112323313330 has 144 divisors (see below), whose sum is σ = 54696966059736. Its totient is φ = 5127049128960.

The previous prime is 20112323313323. The next prime is 20112323313343. The reversal of 20112323313330 is 3331332321102.

20112323313330 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 323 + 3 + 1 + 3 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15312030737481 + 4800292575849 = 3913059^2 + 2190957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20112323313294 and 20112323313303.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80478970 + ... + 80728490.

Almost surely, 2^{20112323313330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112323313330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27348483029868).

20112323313330 is an abundant number, since it is smaller than the sum of its proper divisors (34584642746406).

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

20112323313330 is a wasteful number, since it uses less digits than its factorization.

20112323313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251273 (or 251247 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 20112323313330 its reverse (3331332321102), we get a palindrome (23443655634432).

The spelling of 20112323313330 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred thirty".