420302430 has 48 divisors (see below), whose sum is σ = 1111322160. Its totient is φ = 110179584.

The previous prime is 420302429. The next prime is 420302431. The reversal of 420302430 is 34203024.

420302430 is a `hidden beast` number, since 420 + 3 + 0 + 243 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (420302429) and next prime (420302431).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420302431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34267 + ... + 44886.

It is an arithmetic number, because the mean of its divisors is an integer number (23152545).

Almost surely, 2^420302430 is an apocalyptic number.

420302430 is an abundant number, since it is smaller than the sum of its proper divisors (691019730).

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

420302430 is a wasteful number, since it uses less digits than its factorization.

420302430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79225 (or 79222 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420302430 is about 20501.2787406054. The cubic root of 420302430 is about 749.0669463626.

Adding to 420302430 its reverse (34203024), we get a palindrome (454505454).

The spelling of 420302430 in words is "four hundred twenty million, three hundred two thousand, four hundred thirty".