3242240020 has 72 divisors (see below), whose sum is σ = 7186607064. Its totient is φ = 1228211712.

The previous prime is 3242239993. The next prime is 3242240093. The reversal of 3242240020 is 200422423.

It can be written as a sum of positive squares in 12 ways, for example, as 1142034436 + 2100205584 = 33794^2 + 45828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3242240020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889642 + ... + 893278.

It is an arithmetic number, because the mean of its divisors is an integer number (99813987).

Almost surely, 2^3242240020 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 3242240020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3593303532).

3242240020 is an abundant number, since it is smaller than the sum of its proper divisors (3944367044).

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

3242240020 is a wasteful number, since it uses less digits than its factorization.

3242240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 3242240020 is about 56940.6710532990. The cubic root of 3242240020 is about 1480.0681761874.

Adding to 3242240020 its reverse (200422423), we get a palindrome (3442662443).

The spelling of 3242240020 in words is "three billion, two hundred forty-two million, two hundred forty thousand, twenty".