20580773 has 2 divisors, whose sum is σ = 20580774. Its totient is φ = 20580772.

The previous prime is 20580767. The next prime is 20580797. The reversal of 20580773 is 37708502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 8421604 = 3487^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 20580773 - 2⁶ = 20580709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20580733) 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, 10290386 + 10290387.

It is an arithmetic number, because the mean of its divisors is an integer number (10290387).

Almost surely, 2^20580773 is an apocalyptic number.

It is an amenable number.

20580773 is a deficient number, since it is larger than the sum of its proper divisors (1).

20580773 is an equidigital number, since it uses as much as digits as its factorization.

20580773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 20580773 is about 4536.6036855780. The cubic root of 20580773 is about 274.0441658963.

The spelling of 20580773 in words is "twenty million, five hundred eighty thousand, seven hundred seventy-three".