20001133230 has 128 divisors (see below), whose sum is σ = 52693877376. Its totient is φ = 4828723200.

The previous prime is 20001133223. The next prime is 20001133249. The reversal of 20001133230 is 3233110002.

20001133230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10014592 + ... + 10016588.

It is an arithmetic number, because the mean of its divisors is an integer number (411670917).

Almost surely, 2^20001133230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001133230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26346938688).

20001133230 is an abundant number, since it is smaller than the sum of its proper divisors (32692744146).

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

20001133230 is a wasteful number, since it uses less digits than its factorization.

20001133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20001133230 its reverse (3233110002), we get a palindrome (23234243232).

The spelling of 20001133230 in words is "twenty billion, one million, one hundred thirty-three thousand, two hundred thirty".