420244303 has 2 divisors, whose sum is σ = 420244304. Its totient is φ = 420244302.

The previous prime is 420244273. The next prime is 420244313. The reversal of 420244303 is 303442024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420244303 - 2⁵ = 420244271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420244313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210122151 + 210122152.

It is an arithmetic number, because the mean of its divisors is an integer number (210122152).

Almost surely, 2^420244303 is an apocalyptic number.

420244303 is a deficient number, since it is larger than the sum of its proper divisors (1).

420244303 is an equidigital number, since it uses as much as digits as its factorization.

420244303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420244303 is about 20499.8610483096. The cubic root of 420244303 is about 749.0324132751.

Adding to 420244303 its reverse (303442024), we get a palindrome (723686327).

The spelling of 420244303 in words is "four hundred twenty million, two hundred forty-four thousand, three hundred three".