420324200 has 24 divisors (see below), whose sum is σ = 977254230. Its totient is φ = 168129600.

The previous prime is 420324199. The next prime is 420324211. The reversal of 420324200 is 2423024.

It can be written as a sum of positive squares in 3 ways, for example, as 344250916 + 76073284 = 18554^2 + 8722^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050611 + ... + 1051010.

Almost surely, 2^420324200 is an apocalyptic number.

420324200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420324200 is an abundant number, since it is smaller than the sum of its proper divisors (556930030).

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

420324200 is a wasteful number, since it uses less digits than its factorization.

420324200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101637 (or 2101628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 420324200 is about 20501.8096762213. The cubic root of 420324200 is about 749.0798790389.

Adding to 420324200 its reverse (2423024), we get a palindrome (422747224).

The spelling of 420324200 in words is "four hundred twenty million, three hundred twenty-four thousand, two hundred".