20432422230 has 128 divisors (see below), whose sum is σ = 57960562176. Its totient is φ = 4553472000.

The previous prime is 20432422181. The next prime is 20432422237. The reversal of 20432422230 is 3222423402.

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 20432422230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432422237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198880 + ... + 283580.

It is an arithmetic number, because the mean of its divisors is an integer number (452816892).

Almost surely, 2^20432422230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20432422230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28980281088).

20432422230 is an abundant number, since it is smaller than the sum of its proper divisors (37528139946).

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

20432422230 is a wasteful number, since it uses less digits than its factorization.

20432422230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84782.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20432422230 its reverse (3222423402), we get a palindrome (23654845632).

The spelling of 20432422230 in words is "twenty billion, four hundred thirty-two million, four hundred twenty-two thousand, two hundred thirty".