20133112230 has 192 divisors, whose sum is σ = 66652305408. Its totient is φ = 4094426880.

The previous prime is 20133112201. The next prime is 20133112243. The reversal of 20133112230 is 3221133102.

20133112230 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 (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 294804 + ... + 356616.

It is an arithmetic number, because the mean of its divisors is an integer number (347147424).

Almost surely, 2^20133112230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20133112230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33326152704).

20133112230 is an abundant number, since it is smaller than the sum of its proper divisors (46519193178).

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

20133112230 is a wasteful number, since it uses less digits than its factorization.

20133112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61891 (or 61888 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20133112230 its reverse (3221133102), we get a palindrome (23354245332).

The spelling of 20133112230 in words is "twenty billion, one hundred thirty-three million, one hundred twelve thousand, two hundred thirty".