20043343230 has 64 divisors (see below), whose sum is σ = 52176011328. Its totient is φ = 4907786240.

The previous prime is 20043343193. The next prime is 20043343237. The reversal of 20043343230 is 3234334002.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20043343230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043343237) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 458367 + ... + 500186.

It is an arithmetic number, because the mean of its divisors is an integer number (815250177).

Almost surely, 2^20043343230 is an apocalyptic number.

20043343230 is an abundant number, since it is smaller than the sum of its proper divisors (32132668098).

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

20043343230 is a wasteful number, since it uses less digits than its factorization.

20043343230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958621.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20043343230 its reverse (3234334002), we get a palindrome (23277677232).

The spelling of 20043343230 in words is "twenty billion, forty-three million, three hundred forty-three thousand, two hundred thirty".