920645303 has 2 divisors, whose sum is σ = 920645304. Its totient is φ = 920645302.

The previous prime is 920645287. The next prime is 920645309. The reversal of 920645303 is 303546029.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 920645303 - 2⁴ = 920645287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920645303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920645309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460322651 + 460322652.

It is an arithmetic number, because the mean of its divisors is an integer number (460322652).

Almost surely, 2^920645303 is an apocalyptic number.

920645303 is a deficient number, since it is larger than the sum of its proper divisors (1).

920645303 is an equidigital number, since it uses as much as digits as its factorization.

920645303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 920645303 is about 30342.1374164708. The cubic root of 920645303 is about 972.8161696264.

The spelling of 920645303 in words is "nine hundred twenty million, six hundred forty-five thousand, three hundred three".