420322203 has 48 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 237875616.

The previous prime is 420322187. The next prime is 420322249. The reversal of 420322203 is 302223024.

It is not a de Polignac number, because 420322203 - 2⁴ = 420322187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420322003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184276 + ... + 186542.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^420322203 is an apocalyptic number.

420322203 is a deficient number, since it is larger than the sum of its proper divisors (306163557).

420322203 is a wasteful number, since it uses less digits than its factorization.

420322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420322203 is about 20501.7609731457. The cubic root of 420322203 is about 749.0786927206.

Adding to 420322203 its reverse (302223024), we get a palindrome (722545227).

The spelling of 420322203 in words is "four hundred twenty million, three hundred twenty-two thousand, two hundred three".