200223090 has 80 divisors (see below), whose sum is σ = 551600280. Its totient is φ = 52081920.

The previous prime is 200223077. The next prime is 200223103. The reversal of 200223090 is 90322002.

It is an interprime number because it is at equal distance from previous prime (200223077) and next prime (200223103).

It can be written as a sum of positive squares in 4 ways, for example, as 157176369 + 43046721 = 12537^2 + 6561^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30196 + ... + 36224.

Almost surely, 2^200223090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200223090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275800140).

200223090 is an abundant number, since it is smaller than the sum of its proper divisors (351377190).

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

200223090 is a wasteful number, since it uses less digits than its factorization.

200223090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089 (or 6080 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 200223090 is about 14150.0208480412. The cubic root of 200223090 is about 585.0209065507.

Adding to 200223090 its reverse (90322002), we get a palindrome (290545092).

The spelling of 200223090 in words is "two hundred million, two hundred twenty-three thousand, ninety".