3202020 has 36 divisors (see below), whose sum is σ = 9713340. Its totient is φ = 853824.

The previous prime is 3202019. The next prime is 3202027. The reversal of 3202020 is 202023.

It can be written as a sum of positive squares in 2 ways, for example, as 2359296 + 842724 = 1536^2 + 918^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

3202020 is a modest number, since divided by 2020 gives 320 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3201993 and 3202011.

It is not an unprimeable number, because it can be changed into a prime (3202027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8715 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (269815).

Almost surely, 2^3202020 is an apocalyptic number.

3202020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3202020 is an abundant number, since it is smaller than the sum of its proper divisors (6511320).

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

3202020 is a wasteful number, since it uses less digits than its factorization.

3202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804 (or 17799 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 3202020 is about 1789.4189000902. The cubic root of 3202020 is about 147.3922606886.

Adding to 3202020 its reverse (202023), we get a palindrome (3404043).

The spelling of 3202020 in words is "three million, two hundred two thousand, twenty".