3225665020 has 24 divisors (see below), whose sum is σ = 6818763168. Its totient is φ = 1281720000.

The previous prime is 3225665011. The next prime is 3225665021. The reversal of 3225665020 is 205665223.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225665021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531031 + ... + 537070.

It is an arithmetic number, because the mean of its divisors is an integer number (284115132).

Almost surely, 2^3225665020 is an apocalyptic number.

It is an amenable number.

3225665020 is an abundant number, since it is smaller than the sum of its proper divisors (3593098148).

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

3225665020 is a wasteful number, since it uses less digits than its factorization.

3225665020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068261 (or 1068259 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3225665020 is about 56794.9383308055. The cubic root of 3225665020 is about 1477.5417280691.

The spelling of 3225665020 in words is "three billion, two hundred twenty-five million, six hundred sixty-five thousand, twenty".