3240020 has 24 divisors (see below), whose sum is σ = 7776384. Its totient is φ = 1110816.

The previous prime is 3240019. The next prime is 3240031. The reversal of 3240020 is 200423.

It is a junction number, because it is equal to n+sod(n) for n = 3239983 and 3240010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (324016).

Almost surely, 2^3240020 is an apocalyptic number.

It is an amenable number.

3240020 is an abundant number, since it is smaller than the sum of its proper divisors (4536364).

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

3240020 is a wasteful number, since it uses less digits than its factorization.

3240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23159 (or 23157 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 3240020 is about 1800.0055555470. The cubic root of 3240020 is about 147.9730289298.

Adding to 3240020 its reverse (200423), we get a palindrome (3440443).

The spelling of 3240020 in words is "three million, two hundred forty thousand, twenty".