33021200223 has 12 divisors (see below), whose sum is σ = 52033406568. Its totient is φ = 20012848560.

The previous prime is 33021200209. The next prime is 33021200273. The reversal of 33021200223 is 32200212033.

It is a happy number.

It is not a de Polignac number, because 33021200223 - 2²⁸ = 32752764767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33021200196 and 33021200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021200203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166773640 + ... + 166773837.

It is an arithmetic number, because the mean of its divisors is an integer number (4336117214).

Almost surely, 2^33021200223 is an apocalyptic number.

33021200223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33021200223 is a deficient number, since it is larger than the sum of its proper divisors (19012206345).

33021200223 is a wasteful number, since it uses less digits than its factorization.

33021200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333547494 (or 333547491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33021200223 its reverse (32200212033), we get a palindrome (65221412256).

The spelling of 33021200223 in words is "thirty-three billion, twenty-one million, two hundred thousand, two hundred twenty-three".