2020440223 has 4 divisors (see below), whose sum is σ = 2026229800. Its totient is φ = 2014650648.

The previous prime is 2020440209. The next prime is 2020440239. The reversal of 2020440223 is 3220440202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020440223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020440203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894265 + ... + 2894962.

It is an arithmetic number, because the mean of its divisors is an integer number (506557450).

Almost surely, 2^2020440223 is an apocalyptic number.

2020440223 is a deficient number, since it is larger than the sum of its proper divisors (5789577).

2020440223 is an equidigital number, since it uses as much as digits as its factorization.

2020440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789576.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2020440223 is about 44949.3072582882. The cubic root of 2020440223 is about 1264.1986880474.

Adding to 2020440223 its reverse (3220440202), we get a palindrome (5240880425).

The spelling of 2020440223 in words is "two billion, twenty million, four hundred forty thousand, two hundred twenty-three".