2020291 has 12 divisors (see below), whose sum is σ = 2503312. Its totient is φ = 1587744.

The previous prime is 2020279. The next prime is 2020309. The reversal of 2020291 is 1920202.

It is a happy number.

It is not a de Polignac number, because 2020291 - 2¹⁵ = 1987523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020231) 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 11 ways as a sum of consecutive naturals, for example, 13485 + ... + 13633.

2^2020291 is an apocalyptic number.

2020291 is a deficient number, since it is larger than the sum of its proper divisors (483021).

2020291 is an equidigital number, since it uses as much as digits as its factorization.

2020291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2020291 is about 1421.3694101112. The cubic root of 2020291 is about 126.4167564110.

Adding to 2020291 its reverse (1920202), we get a palindrome (3940493).

The spelling of 2020291 in words is "two million, twenty thousand, two hundred ninety-one".