920099773 has 2 divisors, whose sum is σ = 920099774. Its totient is φ = 920099772.

The previous prime is 920099771. The next prime is 920099813. The reversal of 920099773 is 377990029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823804804 + 96294969 = 28702^2 + 9813^2 .

It is a cyclic number.

It is not a de Polignac number, because 920099773 - 2¹ = 920099771 is a prime.

Together with 920099771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920099771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460049886 + 460049887.

It is an arithmetic number, because the mean of its divisors is an integer number (460049887).

Almost surely, 2^920099773 is an apocalyptic number.

It is an amenable number.

920099773 is a deficient number, since it is larger than the sum of its proper divisors (1).

920099773 is an equidigital number, since it uses as much as digits as its factorization.

920099773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 920099773 is about 30333.1464408162. The cubic root of 920099773 is about 972.6239836816.

The spelling of 920099773 in words is "nine hundred twenty million, ninety-nine thousand, seven hundred seventy-three".