3243022020 has 72 divisors (see below), whose sum is σ = 11242480704. Its totient is φ = 741261888.

The previous prime is 3243022001. The next prime is 3243022021. The reversal of 3243022020 is 202203423.

3243022020 is a `hidden beast` number, since 32 + 430 + 2 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3243021984 and 3243022002.

It is not an unprimeable number, because it can be changed into a prime (3243022021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1285654 + ... + 1288173.

Almost surely, 2^3243022020 is an apocalyptic number.

3243022020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3243022020 is an abundant number, since it is smaller than the sum of its proper divisors (7999458684).

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

3243022020 is a wasteful number, since it uses less digits than its factorization.

3243022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573849 (or 2573844 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3243022020 is about 56947.5374357838. The cubic root of 3243022020 is about 1480.1871597982.

Adding to 3243022020 its reverse (202203423), we get a palindrome (3445225443).

The spelling of 3243022020 in words is "three billion, two hundred forty-three million, twenty-two thousand, twenty".