20614133 has 2 divisors, whose sum is σ = 20614134. Its totient is φ = 20614132.

The previous prime is 20614127. The next prime is 20614147. The reversal of 20614133 is 33141602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 165649 = 4522^2 + 407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20614133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20614333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307066 + 10307067.

It is an arithmetic number, because the mean of its divisors is an integer number (10307067).

Almost surely, 2^20614133 is an apocalyptic number.

It is an amenable number.

20614133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614133 is an equidigital number, since it uses as much as digits as its factorization.

20614133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20614133 is about 4540.2789561876. The cubic root of 20614133 is about 274.1921548023.

Adding to 20614133 its reverse (33141602), we get a palindrome (53755735).

The spelling of 20614133 in words is "twenty million, six hundred fourteen thousand, one hundred thirty-three".