20022113223 has 40 divisors (see below), whose sum is σ = 34909704192. Its totient is φ = 11197762704.

The previous prime is 20022113201. The next prime is 20022113233. The reversal of 20022113223 is 32231122002.

It is not a de Polignac number, because 20022113223 - 2⁵ = 20022113191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022113196 and 20022113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022113233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 349015 + ... + 402312.

Almost surely, 2^20022113223 is an apocalyptic number.

20022113223 is a deficient number, since it is larger than the sum of its proper divisors (14887590969).

20022113223 is an equidigital number, since it uses as much as digits as its factorization.

20022113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751393 (or 751384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20022113223 its reverse (32231122002), we get a palindrome (52253235225).

It can be divided in two parts, 200221 and 13223, that added together give a square (213444 = 462²).

The spelling of 20022113223 in words is "twenty billion, twenty-two million, one hundred thirteen thousand, two hundred twenty-three".