20322011223 has 6 divisors (see below), whose sum is σ = 29354016224. Its totient is φ = 13548007476.

The previous prime is 20322011209. The next prime is 20322011243. The reversal of 20322011223 is 32211022302.

It is not a de Polignac number, because 20322011223 - 2¹⁶ = 20321945687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20322011196 and 20322011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322011243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129000615 + ... + 1129000632.

Almost surely, 2^20322011223 is an apocalyptic number.

20322011223 is a deficient number, since it is larger than the sum of its proper divisors (9032005001).

20322011223 is a wasteful number, since it uses less digits than its factorization.

20322011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258001253 (or 2258001250 counting only the distinct ones).

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

Adding to 20322011223 its reverse (32211022302), we get a palindrome (52533033525).

The spelling of 20322011223 in words is "twenty billion, three hundred twenty-two million, eleven thousand, two hundred twenty-three".