20033133 has 16 divisors (see below), whose sum is σ = 27508992. Its totient is φ = 12960000.

The previous prime is 20033093. The next prime is 20033137. The reversal of 20033133 is 33133002.

It is not a de Polignac number, because 20033133 - 2⁸ = 20032877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33033 + ... + 33633.

It is an arithmetic number, because the mean of its divisors is an integer number (1719312).

Almost surely, 2^20033133 is an apocalyptic number.

It is an amenable number.

20033133 is a deficient number, since it is larger than the sum of its proper divisors (7475859).

20033133 is a wasteful number, since it uses less digits than its factorization.

20033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 20033133 is about 4475.8388040679. The cubic root of 20033133 is about 271.5915736261.

Adding to 20033133 its reverse (33133002), we get a palindrome (53166135).

It can be divided in two parts, 200 and 33133, that added together give a palindrome (33333).

The spelling of 20033133 in words is "twenty million, thirty-three thousand, one hundred thirty-three".