420330607 has 2 divisors, whose sum is σ = 420330608. Its totient is φ = 420330606.

The previous prime is 420330601. The next prime is 420330641. The reversal of 420330607 is 706033024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420330607 - 2¹⁹ = 419806319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420330601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210165303 + 210165304.

It is an arithmetic number, because the mean of its divisors is an integer number (210165304).

Almost surely, 2^420330607 is an apocalyptic number.

420330607 is a deficient number, since it is larger than the sum of its proper divisors (1).

420330607 is an equidigital number, since it uses as much as digits as its factorization.

420330607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 420330607 is about 20501.9659301248. The cubic root of 420330607 is about 749.0836850934.

The spelling of 420330607 in words is "four hundred twenty million, three hundred thirty thousand, six hundred seven".