4452020 has 12 divisors (see below), whose sum is σ = 9349284. Its totient is φ = 1780800.

The previous prime is 4452017. The next prime is 4452043. The reversal of 4452020 is 202544.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 3579664 = 934^2 + 1892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4452020.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 111281 + ... + 111320.

It is an arithmetic number, because the mean of its divisors is an integer number (779107).

Almost surely, 2^4452020 is an apocalyptic number.

It is an amenable number.

4452020 is an abundant number, since it is smaller than the sum of its proper divisors (4897264).

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

4452020 is a wasteful number, since it uses less digits than its factorization.

4452020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222610 (or 222608 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4452020 is about 2109.9810425689. The cubic root of 4452020 is about 164.5074998967.

Adding to 4452020 its reverse (202544), we get a palindrome (4654564).

The spelling of 4452020 in words is "four million, four hundred fifty-two thousand, twenty".