2020442243 has 16 divisors (see below), whose sum is σ = 2083951296. Its totient is φ = 1958100480.

The previous prime is 2020442233. The next prime is 2020442293. The reversal of 2020442243 is 3422440202.

It is not a de Polignac number, because 2020442243 - 2⁴ = 2020442227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020442233) 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 15 ways as a sum of consecutive naturals, for example, 2368205 + ... + 2369057.

It is an arithmetic number, because the mean of its divisors is an integer number (130246956).

Almost surely, 2^2020442243 is an apocalyptic number.

2020442243 is a deficient number, since it is larger than the sum of its proper divisors (63509053).

2020442243 is an equidigital number, since it uses as much as digits as its factorization.

2020442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2020442243 is about 44949.3297280393. The cubic root of 2020442243 is about 1264.1991093550.

Adding to 2020442243 its reverse (3422440202), we get a palindrome (5442882445).

The spelling of 2020442243 in words is "two billion, twenty million, four hundred forty-two thousand, two hundred forty-three".