43234133220 has 72 divisors (see below), whose sum is σ = 135665744760. Its totient is φ = 11131545600.

The previous prime is 43234133207. The next prime is 43234133227. The reversal of 43234133220 is 2233143234.

43234133220 is a `hidden beast` number, since 4 + 3 + 23 + 413 + 3 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17523934884 + 25710198336 = 132378^2 + 160344^2 .

It is not an unprimeable number, because it can be changed into a prime (43234133227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4135981 + ... + 4146420.

It is an arithmetic number, because the mean of its divisors is an integer number (1884246455).

Almost surely, 2^43234133220 is an apocalyptic number.

It is an amenable number.

43234133220 is an abundant number, since it is smaller than the sum of its proper divisors (92431611540).

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

43234133220 is a wasteful number, since it uses less digits than its factorization.

43234133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282445 (or 8282440 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43234133220 its reverse (2233143234), we get a palindrome (45467276454).

The spelling of 43234133220 in words is "forty-three billion, two hundred thirty-four million, one hundred thirty-three thousand, two hundred twenty".