420133230 has 160 divisors (see below), whose sum is σ = 1254214368. Its totient is φ = 100051200.

The previous prime is 420133213. The next prime is 420133243. The reversal of 420133230 is 32331024.

420133230 is a `hidden beast` number, since 420 + 13 + 3 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 543124 + ... + 543896.

Almost surely, 2^420133230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420133230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627107184).

420133230 is an abundant number, since it is smaller than the sum of its proper divisors (834081138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420133230 is a wasteful number, since it uses less digits than its factorization.

420133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 855 counting only the distinct ones).

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

The square root of 420133230 is about 20497.1517533534. The cubic root of 420133230 is about 748.9664162605.

Adding to 420133230 its reverse (32331024), we get a palindrome (452464254).

The spelling of 420133230 in words is "four hundred twenty million, one hundred thirty-three thousand, two hundred thirty".