20033000233 has 4 divisors (see below), whose sum is σ = 20043053908. Its totient is φ = 20022946560.

The previous prime is 20033000167. The next prime is 20033000263. The reversal of 20033000233 is 33200033002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16120873024 + 3912127209 = 126968^2 + 62547^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033000233 - 2²⁹ = 19496129321 is a prime.

It is a super-3 number, since 3×20033000233³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033000263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023848 + ... + 5027833.

It is an arithmetic number, because the mean of its divisors is an integer number (5010763477).

Almost surely, 2^20033000233 is an apocalyptic number.

It is an amenable number.

20033000233 is a deficient number, since it is larger than the sum of its proper divisors (10053675).

20033000233 is a wasteful number, since it uses less digits than its factorization.

20033000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053674.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20033000233 its reverse (33200033002), we get a palindrome (53233033235).

The spelling of 20033000233 in words is "twenty billion, thirty-three million, two hundred thirty-three", and thus it is an aban number.