2020331 has 4 divisors (see below), whose sum is σ = 2139192. Its totient is φ = 1901472.

The previous prime is 2020321. The next prime is 2020387. The reversal of 2020331 is 1330202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020331 - 2¹⁸ = 1758187 is a prime.

It is a super-2 number, since 2×2020331² = 8163474699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020321) 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, 59405 + ... + 59438.

It is an arithmetic number, because the mean of its divisors is an integer number (534798).

2^2020331 is an apocalyptic number.

2020331 is a deficient number, since it is larger than the sum of its proper divisors (118861).

2020331 is a wasteful number, since it uses less digits than its factorization.

2020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118860.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2020331 is about 1421.3834809790. The cubic root of 2020331 is about 126.4175907193.

Adding to 2020331 its reverse (1330202), we get a palindrome (3350533).

The spelling of 2020331 in words is "two million, twenty thousand, three hundred thirty-one".