4243404220 has 24 divisors (see below), whose sum is σ = 9721253808. Its totient is φ = 1543056000.

The previous prime is 4243404199. The next prime is 4243404229. The reversal of 4243404220 is 224043424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243404229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9643881 + ... + 9644320.

It is an arithmetic number, because the mean of its divisors is an integer number (405052242).

Almost surely, 2^4243404220 is an apocalyptic number.

It is an amenable number.

4243404220 is an abundant number, since it is smaller than the sum of its proper divisors (5477849588).

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

4243404220 is a wasteful number, since it uses less digits than its factorization.

4243404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288221 (or 19288219 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4243404220 is about 65141.4170862133. The cubic root of 4243404220 is about 1618.9675151424.

Adding to 4243404220 its reverse (224043424), we get a palindrome (4467447644).

The spelling of 4243404220 in words is "four billion, two hundred forty-three million, four hundred four thousand, two hundred twenty".