20043403230 has 16 divisors (see below), whose sum is σ = 48104167824. Its totient is φ = 5344907520.

The previous prime is 20043403169. The next prime is 20043403249. The reversal of 20043403230 is 3230434002.

It is a junction number, because it is equal to n+sod(n) for n = 20043403197 and 20043403206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334056691 + ... + 334056750.

It is an arithmetic number, because the mean of its divisors is an integer number (3006510489).

Almost surely, 2^20043403230 is an apocalyptic number.

20043403230 is an abundant number, since it is smaller than the sum of its proper divisors (28060764594).

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

20043403230 is a wasteful number, since it uses less digits than its factorization.

20043403230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668113451.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20043403230 its reverse (3230434002), we get a palindrome (23273837232).

The spelling of 20043403230 in words is "twenty billion, forty-three million, four hundred three thousand, two hundred thirty".