20136773 has 2 divisors, whose sum is σ = 20136774. Its totient is φ = 20136772.

The previous prime is 20136733. The next prime is 20136803. The reversal of 20136773 is 37763102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17032129 + 3104644 = 4127^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 20136773 - 2⁶ = 20136709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20136703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10068386 + 10068387.

It is an arithmetic number, because the mean of its divisors is an integer number (10068387).

Almost surely, 2^20136773 is an apocalyptic number.

It is an amenable number.

20136773 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136773 is an equidigital number, since it uses as much as digits as its factorization.

20136773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 20136773 is about 4487.4015866646. The cubic root of 20136773 is about 272.0591215559.

Adding to 20136773 its reverse (37763102), we get a palindrome (57899875).

The spelling of 20136773 in words is "twenty million, one hundred thirty-six thousand, seven hundred seventy-three".