2020844 has 12 divisors (see below), whose sum is σ = 4041744. Its totient is φ = 866064.

The previous prime is 2020831. The next prime is 2020853. The reversal of 2020844 is 4480202.

2020844 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36059 + ... + 36114.

It is an arithmetic number, because the mean of its divisors is an integer number (336812).

2^2020844 is an apocalyptic number.

It is an amenable number.

2020844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2020844 is a wasteful number, since it uses less digits than its factorization.

2020844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72184 (or 72182 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2020844 is about 1421.5639275108. The cubic root of 2020844 is about 126.4282897477.

The spelling of 2020844 in words is "two million, twenty thousand, eight hundred forty-four".