4431330220 has 12 divisors (see below), whose sum is σ = 9305793504. Its totient is φ = 1772532080.

The previous prime is 4431330193. The next prime is 4431330251. The reversal of 4431330220 is 220331344.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4431330191 and 4431330200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110783236 + ... + 110783275.

It is an arithmetic number, because the mean of its divisors is an integer number (775482792).

Almost surely, 2^4431330220 is an apocalyptic number.

It is an amenable number.

4431330220 is an abundant number, since it is smaller than the sum of its proper divisors (4874463284).

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

4431330220 is a wasteful number, since it uses less digits than its factorization.

4431330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221566520 (or 221566518 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4431330220 is about 66568.2373208124. The cubic root of 4431330220 is about 1642.5226667925.

Adding to 4431330220 its reverse (220331344), we get a palindrome (4651661564).

The spelling of 4431330220 in words is "four billion, four hundred thirty-one million, three hundred thirty thousand, two hundred twenty".