2020784 has 20 divisors (see below), whose sum is σ = 3990816. Its totient is φ = 990912.

The previous prime is 2020771. The next prime is 2020789. The reversal of 2020784 is 4870202.

It is not an unprimeable number, because it can be changed into a prime (2020789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 2039.

2^2020784 is an apocalyptic number.

It is an amenable number.

2020784 is a deficient number, since it is larger than the sum of its proper divisors (1970032).

2020784 is a wasteful number, since it uses less digits than its factorization.

2020784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2020784 is about 1421.5428238361. The cubic root of 2020784 is about 126.4270384928.

Adding to 2020784 its reverse (4870202), we get a palindrome (6890986).

The spelling of 2020784 in words is "two million, twenty thousand, seven hundred eighty-four".