2020804 has 6 divisors (see below), whose sum is σ = 3536414. Its totient is φ = 1010400.

The previous prime is 2020793. The next prime is 2020817. The reversal of 2020804 is 4080202.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 304704 = 1310^2 + 552^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252597 + ... + 252604.

2^2020804 is an apocalyptic number.

It is an amenable number.

2020804 is a deficient number, since it is larger than the sum of its proper divisors (1515610).

2020804 is a wasteful number, since it uses less digits than its factorization.

2020804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505205 (or 505203 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2020804 is about 1421.5498584292. The cubic root of 2020804 is about 126.4274555805.

The spelling of 2020804 in words is "two million, twenty thousand, eight hundred four".