200144220 has 24 divisors (see below), whose sum is σ = 560403984. Its totient is φ = 53371776.

The previous prime is 200144207. The next prime is 200144221. The reversal of 200144220 is 22441002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200144220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200144221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667809 + ... + 1667928.

It is an arithmetic number, because the mean of its divisors is an integer number (23350166).

Almost surely, 2^200144220 is an apocalyptic number.

200144220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200144220 is an abundant number, since it is smaller than the sum of its proper divisors (360259764).

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

200144220 is a wasteful number, since it uses less digits than its factorization.

200144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335749 (or 3335747 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200144220 is about 14147.2336518487. The cubic root of 200144220 is about 584.9440811478.

Adding to 200144220 its reverse (22441002), we get a palindrome (222585222).

The spelling of 200144220 in words is "two hundred million, one hundred forty-four thousand, two hundred twenty".