20000133223 has 8 divisors (see below), whose sum is σ = 22870172192. Its totient is φ = 17133313536.

The previous prime is 20000133151. The next prime is 20000133247. The reversal of 20000133223 is 32233100002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000133223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000133197 and 20000133206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000133523) 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, 791490 + ... + 816367.

It is an arithmetic number, because the mean of its divisors is an integer number (2858771524).

Almost surely, 2^20000133223 is an apocalyptic number.

20000133223 is a deficient number, since it is larger than the sum of its proper divisors (2870038969).

20000133223 is a wasteful number, since it uses less digits than its factorization.

20000133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609641.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20000133223 its reverse (32233100002), we get a palindrome (52233233225).

The spelling of 20000133223 in words is "twenty billion, one hundred thirty-three thousand, two hundred twenty-three".