20123133 has 8 divisors (see below), whose sum is σ = 26853600. Its totient is φ = 13404048.

The previous prime is 20123119. The next prime is 20123141. The reversal of 20123133 is 33132102.

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

It is not a de Polignac number, because 20123133 - 2⁹ = 20122621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123143) 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, 2998 + ... + 7016.

It is an arithmetic number, because the mean of its divisors is an integer number (3356700).

Almost surely, 2^20123133 is an apocalyptic number.

It is an amenable number.

20123133 is a deficient number, since it is larger than the sum of its proper divisors (6730467).

20123133 is a wasteful number, since it uses less digits than its factorization.

20123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20123133 is about 4485.8815187207. The cubic root of 20123133 is about 271.9976796587.

Adding to 20123133 its reverse (33132102), we get a palindrome (53255235).

The spelling of 20123133 in words is "twenty million, one hundred twenty-three thousand, one hundred thirty-three".