420302330 has 32 divisors (see below), whose sum is σ = 865396224. Its totient is φ = 143974656.

The previous prime is 420302303. The next prime is 420302353. The reversal of 420302330 is 33203024.

It is a junction number, because it is equal to n+sod(n) for n = 420302299 and 420302308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108914 + ... + 112706.

It is an arithmetic number, because the mean of its divisors is an integer number (27043632).

Almost surely, 2^420302330 is an apocalyptic number.

420302330 is an abundant number, since it is smaller than the sum of its proper divisors (445093894).

420302330 is a wasteful number, since it uses less digits than its factorization.

420302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 420302330 is about 20501.2763017330. The cubic root of 420302330 is about 749.0668869556.

Adding to 420302330 its reverse (33203024), we get a palindrome (453505354).

The spelling of 420302330 in words is "four hundred twenty million, three hundred two thousand, three hundred thirty".