420203133 has 96 divisors (see below), whose sum is σ = 754790400. Its totient is φ = 228661056.

The previous prime is 420203131. The next prime is 420203153. The reversal of 420203133 is 331302024.

It is not a de Polignac number, because 420203133 - 2¹ = 420203131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420203131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5318988 + ... + 5319066.

It is an arithmetic number, because the mean of its divisors is an integer number (7862400).

Almost surely, 2^420203133 is an apocalyptic number.

It is an amenable number.

420203133 is a deficient number, since it is larger than the sum of its proper divisors (334587267).

420203133 is an equidigital number, since it uses as much as digits as its factorization.

420203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 420203133 is about 20498.8568705672. The cubic root of 420203133 is about 749.0079523672.

Adding to 420203133 its reverse (331302024), we get a palindrome (751505157).

The spelling of 420203133 in words is "four hundred twenty million, two hundred three thousand, one hundred thirty-three".