43234400220 has 96 divisors (see below), whose sum is σ = 132385155840. Its totient is φ = 10455375360.

The previous prime is 43234400189. The next prime is 43234400227. The reversal of 43234400220 is 2200443234.

43234400220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43234400227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189859 + ... + 350021.

It is an arithmetic number, because the mean of its divisors is an integer number (1379012040).

Almost surely, 2^43234400220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43234400220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66192577920).

43234400220 is an abundant number, since it is smaller than the sum of its proper divisors (89150755620).

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

43234400220 is a wasteful number, since it uses less digits than its factorization.

43234400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160595 (or 160593 counting only the distinct ones).

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

Adding to 43234400220 its reverse (2200443234), we get a palindrome (45434843454).

The spelling of 43234400220 in words is "forty-three billion, two hundred thirty-four million, four hundred thousand, two hundred twenty".