20030133 has 4 divisors (see below), whose sum is σ = 26706848. Its totient is φ = 13353420.

The previous prime is 20030117. The next prime is 20030137. The reversal of 20030133 is 33103002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20030133 - 2⁴ = 20030117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030137) 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, 3338353 + ... + 3338358.

It is an arithmetic number, because the mean of its divisors is an integer number (6676712).

Almost surely, 2^20030133 is an apocalyptic number.

It is an amenable number.

20030133 is a deficient number, since it is larger than the sum of its proper divisors (6676715).

20030133 is an equidigital number, since it uses as much as digits as its factorization.

20030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676714.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 20030133 is about 4475.5036588076. The cubic root of 20030133 is about 271.5780158300.

Adding to 20030133 its reverse (33103002), we get a palindrome (53133135).

The spelling of 20030133 in words is "twenty million, thirty thousand, one hundred thirty-three".