20430234200 has 96 divisors (see below), whose sum is σ = 48296908800. Its totient is φ = 8035973760.

The previous prime is 20430234193. The next prime is 20430234221. The reversal of 20430234200 is 243203402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3699041 + ... + 3704559.

It is an arithmetic number, because the mean of its divisors is an integer number (503092800).

Almost surely, 2^20430234200 is an apocalyptic number.

20430234200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20430234200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24148454400).

20430234200 is an abundant number, since it is smaller than the sum of its proper divisors (27866674600).

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

20430234200 is a wasteful number, since it uses less digits than its factorization.

20430234200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5832 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20430234200 its reverse (243203402), we get a palindrome (20673437602).

The spelling of 20430234200 in words is "twenty billion, four hundred thirty million, two hundred thirty-four thousand, two hundred".