420332203 has 4 divisors (see below), whose sum is σ = 420486880. Its totient is φ = 420177528.

The previous prime is 420332201. The next prime is 420332239. The reversal of 420332203 is 302233024.

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 420332203 - 2¹ = 420332201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420332201) 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, 73188 + ... + 78721.

It is an arithmetic number, because the mean of its divisors is an integer number (105121720).

Almost surely, 2^420332203 is an apocalyptic number.

420332203 is a deficient number, since it is larger than the sum of its proper divisors (154677).

420332203 is a wasteful number, since it uses less digits than its factorization.

420332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154676.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 420332203 is about 20502.0048531845. The cubic root of 420332203 is about 749.0846331852.

Adding to 420332203 its reverse (302233024), we get a palindrome (722565227).

The spelling of 420332203 in words is "four hundred twenty million, three hundred thirty-two thousand, two hundred three".