420420424703 has 2 divisors, whose sum is σ = 420420424704. Its totient is φ = 420420424702.

The previous prime is 420420424681. The next prime is 420420424709. The reversal of 420420424703 is 307424024024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420420424703 - 2¹⁰ = 420420423679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420420424703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420420424709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210210212351 + 210210212352.

It is an arithmetic number, because the mean of its divisors is an integer number (210210212352).

Almost surely, 2^420420424703 is an apocalyptic number.

420420424703 is a deficient number, since it is larger than the sum of its proper divisors (1).

420420424703 is an equidigital number, since it uses as much as digits as its factorization.

420420424703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 420420424703 its reverse (307424024024), we get a palindrome (727844448727).

The spelling of 420420424703 in words is "four hundred twenty billion, four hundred twenty million, four hundred twenty-four thousand, seven hundred three".