3243303220 has 24 divisors (see below), whose sum is σ = 6812077608. Its totient is φ = 1297104000.

The previous prime is 3243303187. The next prime is 3243303221. The reversal of 3243303220 is 223033423.

It can be written as a sum of positive squares in 4 ways, for example, as 332916516 + 2910386704 = 18246^2 + 53948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3243303191 and 3243303200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243303221) 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, 168070 + ... + 186370.

It is an arithmetic number, because the mean of its divisors is an integer number (283836567).

Almost surely, 2^3243303220 is an apocalyptic number.

It is an amenable number.

3243303220 is an abundant number, since it is smaller than the sum of its proper divisors (3568774388).

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

3243303220 is a wasteful number, since it uses less digits than its factorization.

3243303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27171 (or 27169 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 3243303220 is about 56950.0063213342. The cubic root of 3243303220 is about 1480.2299405334.

Adding to 3243303220 its reverse (223033423), we get a palindrome (3466336643).

The spelling of 3243303220 in words is "three billion, two hundred forty-three million, three hundred three thousand, two hundred twenty".