20133343230 has 256 divisors, whose sum is σ = 65036224512. Its totient is φ = 3852288000.

The previous prime is 20133343229. The next prime is 20133343247. The reversal of 20133343230 is 3234333102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133343230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22852390 + ... + 22853270.

It is an arithmetic number, because the mean of its divisors is an integer number (254047752).

Almost surely, 2^20133343230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20133343230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32518112256).

20133343230 is an abundant number, since it is smaller than the sum of its proper divisors (44902881282).

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

20133343230 is a wasteful number, since it uses less digits than its factorization.

20133343230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20133343230 its reverse (3234333102), we get a palindrome (23367676332).

It can be divided in two parts, 20133 and 343230, that added together give a palindrome (363363).

The spelling of 20133343230 in words is "twenty billion, one hundred thirty-three million, three hundred forty-three thousand, two hundred thirty".