20130133 has 8 divisors (see below), whose sum is σ = 20520000. Its totient is φ = 19743360.

The previous prime is 20130079. The next prime is 20130163. The reversal of 20130133 is 33103102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130133 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 (20130163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15493 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (2565000).

Almost surely, 2^20130133 is an apocalyptic number.

It is an amenable number.

20130133 is a deficient number, since it is larger than the sum of its proper divisors (389867).

20130133 is a wasteful number, since it uses less digits than its factorization.

20130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 20130133 is about 4486.6616765698. The cubic root of 20130133 is about 272.0292148911.

Adding to 20130133 its reverse (33103102), we get a palindrome (53233235).

The spelling of 20130133 in words is "twenty million, one hundred thirty thousand, one hundred thirty-three".