3200420 has 24 divisors (see below), whose sum is σ = 7116984. Its totient is φ = 1204736.

The previous prime is 3200413. The next prime is 3200423. The reversal of 3200420 is 240023.

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 1420864 = 1334^2 + 1192^2 .

It is not an unprimeable number, because it can be changed into a prime (3200423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (296541).

Almost surely, 2^3200420 is an apocalyptic number.

It is an amenable number.

3200420 is an abundant number, since it is smaller than the sum of its proper divisors (3916564).

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

3200420 is a wasteful number, since it uses less digits than its factorization.

3200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439 (or 9437 counting only the distinct ones).

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

The square root of 3200420 is about 1788.9717717169. The cubic root of 3200420 is about 147.3677067187.

Adding to 3200420 its reverse (240023), we get a palindrome (3440443).

The spelling of 3200420 in words is "three million, two hundred thousand, four hundred twenty".