20130233332044 has 288 divisors, whose sum is σ = 52797898008576. Its totient is φ = 5919914373120.

The previous prime is 20130233332031. The next prime is 20130233332049. The reversal of 20130233332044 is 44023333203102.

It is not an unprimeable number, because it can be changed into a prime (20130233332049) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22953515334 + ... + 22953516210.

It is an arithmetic number, because the mean of its divisors is an integer number (183326034752).

Almost surely, 2^{20130233332044} 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 20130233332044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26398949004288).

20130233332044 is an abundant number, since it is smaller than the sum of its proper divisors (32667664676532).

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

20130233332044 is a wasteful number, since it uses less digits than its factorization.

20130233332044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 20130233332044 its reverse (44023333203102), we get a palindrome (64153566535146).

The spelling of 20130233332044 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, three hundred thirty-two thousand, forty-four".