20106133 has 8 divisors (see below), whose sum is σ = 21041208. Its totient is φ = 19191744.

The previous prime is 20106127. The next prime is 20106137. The reversal of 20106133 is 33160102.

It can be written as a sum of positive squares in 4 ways, for example, as 4919524 + 15186609 = 2218^2 + 3897^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20106133 - 2⁵ = 20106101 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 (20106137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166 + ... + 7087.

It is an arithmetic number, because the mean of its divisors is an integer number (2630151).

Almost surely, 2^20106133 is an apocalyptic number.

It is an amenable number.

20106133 is a deficient number, since it is larger than the sum of its proper divisors (935075).

20106133 is a wasteful number, since it uses less digits than its factorization.

20106133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 20106133 is about 4483.9862845464. The cubic root of 20106133 is about 271.9210636355.

Adding to 20106133 its reverse (33160102), we get a palindrome (53266235).

The spelling of 20106133 in words is "twenty million, one hundred six thousand, one hundred thirty-three".