420148203 has 4 divisors (see below), whose sum is σ = 560197608. Its totient is φ = 280098800.

The previous prime is 420148193. The next prime is 420148207. The reversal of 420148203 is 302841024.

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 420148203 - 2¹⁷ = 420017131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420148207) 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 in 3 ways as a sum of consecutive naturals, for example, 70024698 + ... + 70024703.

It is an arithmetic number, because the mean of its divisors is an integer number (140049402).

Almost surely, 2^420148203 is an apocalyptic number.

420148203 is a deficient number, since it is larger than the sum of its proper divisors (140049405).

420148203 is a wasteful number, since it uses less digits than its factorization.

420148203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140049404.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 420148203 is about 20497.5169959681. The cubic root of 420148203 is about 748.9753135500.

Adding to 420148203 its reverse (302841024), we get a palindrome (722989227).

The spelling of 420148203 in words is "four hundred twenty million, one hundred forty-eight thousand, two hundred three".