420030203 has 4 divisors (see below), whose sum is σ = 444737880. Its totient is φ = 395322528.

The previous prime is 420030187. The next prime is 420030223. The reversal of 420030203 is 302030024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420030203 - 2⁴ = 420030187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420030223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12353813 + ... + 12353846.

It is an arithmetic number, because the mean of its divisors is an integer number (111184470).

Almost surely, 2^420030203 is an apocalyptic number.

420030203 is a deficient number, since it is larger than the sum of its proper divisors (24707677).

420030203 is a wasteful number, since it uses less digits than its factorization.

420030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24707676.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 420030203 is about 20494.6383964197. The cubic root of 420030203 is about 748.9051895942.

Adding to 420030203 its reverse (302030024), we get a palindrome (722060227).

The spelling of 420030203 in words is "four hundred twenty million, thirty thousand, two hundred three".