33020112133 has 4 divisors (see below), whose sum is σ = 33020557420. Its totient is φ = 33019666848.

The previous prime is 33020112113. The next prime is 33020112187. The reversal of 33020112133 is 33121102033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33121102033 = 127 ⋅260796079.

It can be written as a sum of positive squares in 2 ways, for example, as 27515510884 + 5504601249 = 165878^2 + 74193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33020112133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33020112133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020112113) 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 3 ways as a sum of consecutive naturals, for example, 81648 + ... + 269641.

It is an arithmetic number, because the mean of its divisors is an integer number (8255139355).

Almost surely, 2^33020112133 is an apocalyptic number.

It is an amenable number.

33020112133 is a deficient number, since it is larger than the sum of its proper divisors (445287).

33020112133 is an equidigital number, since it uses as much as digits as its factorization.

33020112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445286.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33020112133 its reverse (33121102033), we get a palindrome (66141214166).

The spelling of 33020112133 in words is "thirty-three billion, twenty million, one hundred twelve thousand, one hundred thirty-three".