2020012223 has 4 divisors (see below), whose sum is σ = 2021299608. Its totient is φ = 2018724840.

The previous prime is 2020012217. The next prime is 2020012229. The reversal of 2020012223 is 3222100202.

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

It is an interprime number because it is at equal distance from previous prime (2020012217) and next prime (2020012229).

It is a cyclic number.

It is not a de Polignac number, because 2020012223 - 2⁸ = 2020011967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020012198 and 2020012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020012229) 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, 641336 + ... + 644477.

It is an arithmetic number, because the mean of its divisors is an integer number (505324902).

Almost surely, 2^2020012223 is an apocalyptic number.

2020012223 is a deficient number, since it is larger than the sum of its proper divisors (1287385).

2020012223 is a wasteful number, since it uses less digits than its factorization.

2020012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287384.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2020012223 is about 44944.5460873730. The cubic root of 2020012223 is about 1264.1094145575.

Adding to 2020012223 its reverse (3222100202), we get a palindrome (5242112425).

It can be divided in two parts, 20200 and 12223, that added together give a palindrome (32423).

The spelling of 2020012223 in words is "two billion, twenty million, twelve thousand, two hundred twenty-three".