420030860 has 24 divisors (see below), whose sum is σ = 883881936. Its totient is φ = 167666240.

The previous prime is 420030859. The next prime is 420030881. The reversal of 420030860 is 68030024.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11567 + ... + 31206.

It is an arithmetic number, because the mean of its divisors is an integer number (36828414).

Almost surely, 2^420030860 is an apocalyptic number.

It is an amenable number.

420030860 is an abundant number, since it is smaller than the sum of its proper divisors (463851076).

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

420030860 is a wasteful number, since it uses less digits than its factorization.

420030860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43273 (or 43271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 420030860 is about 20494.6544249958. The cubic root of 420030860 is about 748.9055800664.

Adding to 420030860 its reverse (68030024), we get a palindrome (488060884).

The spelling of 420030860 in words is "four hundred twenty million, thirty thousand, eight hundred sixty".