20000111223 has 8 divisors (see below), whose sum is σ = 26667474928. Its totient is φ = 13333077504.

The previous prime is 20000111221. The next prime is 20000111237. The reversal of 20000111223 is 32211100002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20000111223 - 2¹ = 20000111221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000111199 and 20000111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000111221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165015 + ... + 259287.

It is an arithmetic number, because the mean of its divisors is an integer number (3333434366).

Almost surely, 2^20000111223 is an apocalyptic number.

20000111223 is a deficient number, since it is larger than the sum of its proper divisors (6667363705).

20000111223 is an equidigital number, since it uses as much as digits as its factorization.

20000111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164993.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20000111223 its reverse (32211100002), we get a palindrome (52211211225).

The spelling of 20000111223 in words is "twenty billion, one hundred eleven thousand, two hundred twenty-three".