2020449 has 8 divisors (see below), whose sum is σ = 2702560. Its totient is φ = 1342656.

The previous prime is 2020429. The next prime is 2020457. The reversal of 2020449 is 9440202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020449 - 2⁷ = 2020321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (337820).

2^2020449 is an apocalyptic number.

It is an amenable number.

2020449 is a deficient number, since it is larger than the sum of its proper divisors (682111).

2020449 is a wasteful number, since it uses less digits than its factorization.

2020449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2020449 is about 1421.4249892274. The cubic root of 2020449 is about 126.4200518648.

The spelling of 2020449 in words is "two million, twenty thousand, four hundred forty-nine".