4334331220 has 48 divisors (see below), whose sum is σ = 9658767888. Its totient is φ = 1628149760.

The previous prime is 4334331191. The next prime is 4334331223. The reversal of 4334331220 is 221334334.

It can be written as a sum of positive squares in 8 ways, for example, as 565107984 + 3769223236 = 23772^2 + 61394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4334331223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142914 + ... + 170566.

It is an arithmetic number, because the mean of its divisors is an integer number (201224331).

Almost surely, 2^4334331220 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 4334331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4829383944).

4334331220 is an abundant number, since it is smaller than the sum of its proper divisors (5324436668).

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

4334331220 is a wasteful number, since it uses less digits than its factorization.

4334331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140 (or 28138 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 4334331220 is about 65835.6379174684. The cubic root of 4334331220 is about 1630.4495504362.

Adding to 4334331220 its reverse (221334334), we get a palindrome (4555665554).

The spelling of 4334331220 in words is "four billion, three hundred thirty-four million, three hundred thirty-one thousand, two hundred twenty".