420830200 has 48 divisors (see below), whose sum is σ = 1118209680. Its totient is φ = 144284160.

The previous prime is 420830173. The next prime is 420830203. The reversal of 420830200 is 2038024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420830203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148897 + ... + 151696.

It is an arithmetic number, because the mean of its divisors is an integer number (23296035).

Almost surely, 2^420830200 is an apocalyptic number.

420830200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420830200 is an abundant number, since it is smaller than the sum of its proper divisors (697379480).

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

420830200 is a wasteful number, since it uses less digits than its factorization.

420830200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300616 (or 300607 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420830200 is about 20514.1463385635. The cubic root of 420830200 is about 749.3803474412.

Adding to 420830200 its reverse (2038024), we get a palindrome (422868224).

The spelling of 420830200 in words is "four hundred twenty million, eight hundred thirty thousand, two hundred".