2020039 has 4 divisors (see below), whose sum is σ = 2308624. Its totient is φ = 1731456.

The previous prime is 2020037. The next prime is 2020043. The reversal of 2020039 is 9300202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9300202 = 2 ⋅4650101.

It is a cyclic number.

It is not a de Polignac number, because 2020039 - 2¹ = 2020037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020037) by changing a digit.

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, 144282 + ... + 144295.

It is an arithmetic number, because the mean of its divisors is an integer number (577156).

2^2020039 is an apocalyptic number.

2020039 is a deficient number, since it is larger than the sum of its proper divisors (288585).

2020039 is an equidigital number, since it uses as much as digits as its factorization.

2020039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288584.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2020039 is about 1421.2807604411. The cubic root of 2020039 is about 126.4115000152.

The spelling of 2020039 in words is "two million, twenty thousand, thirty-nine".