3243044020 has 12 divisors (see below), whose sum is σ = 6810392484. Its totient is φ = 1297217600.

The previous prime is 3243044009. The next prime is 3243044029. The reversal of 3243044020 is 204403423.

It can be written as a sum of positive squares in 2 ways, for example, as 2494802704 + 748241316 = 49948^2 + 27354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3243043982 and 3243044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243044029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81076081 + ... + 81076120.

It is an arithmetic number, because the mean of its divisors is an integer number (567532707).

Almost surely, 2^3243044020 is an apocalyptic number.

It is an amenable number.

3243044020 is an abundant number, since it is smaller than the sum of its proper divisors (3567348464).

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

3243044020 is a wasteful number, since it uses less digits than its factorization.

3243044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162152210 (or 162152208 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3243044020 is about 56947.7305956963. The cubic root of 3243044020 is about 1480.1905068865.

Adding to 3243044020 its reverse (204403423), we get a palindrome (3447447443).

The spelling of 3243044020 in words is "three billion, two hundred forty-three million, forty-four thousand, twenty".