20112133223 has 8 divisors (see below), whose sum is σ = 24753394848. Its totient is φ = 15912896544.

The previous prime is 20112133211. The next prime is 20112133241. The reversal of 20112133223 is 32233121102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112133223 - 2¹⁰ = 20112132199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112133195 and 20112133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112123223) 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 7 ways as a sum of consecutive naturals, for example, 110506136 + ... + 110506317.

It is an arithmetic number, because the mean of its divisors is an integer number (3094174356).

Almost surely, 2^20112133223 is an apocalyptic number.

20112133223 is a deficient number, since it is larger than the sum of its proper divisors (4641261625).

20112133223 is a wasteful number, since it uses less digits than its factorization.

20112133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221012473.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20112133223 its reverse (32233121102), we get a palindrome (52345254325).

The spelling of 20112133223 in words is "twenty billion, one hundred twelve million, one hundred thirty-three thousand, two hundred twenty-three".