200233021 has 4 divisors (see below), whose sum is σ = 212011452. Its totient is φ = 188454592.

The previous prime is 200233003. The next prime is 200233027. The reversal of 200233021 is 120332002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101727396 + 98505625 = 10086^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 200233021 - 2²³ = 191844413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200232992 and 200233010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200233027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5889190 + ... + 5889223.

It is an arithmetic number, because the mean of its divisors is an integer number (53002863).

Almost surely, 2^200233021 is an apocalyptic number.

It is an amenable number.

200233021 is a deficient number, since it is larger than the sum of its proper divisors (11778431).

200233021 is a wasteful number, since it uses less digits than its factorization.

200233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778430.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 200233021 is about 14150.3717619008. The cubic root of 200233021 is about 585.0305786729.

Adding to 200233021 its reverse (120332002), we get a palindrome (320565023).

The spelling of 200233021 in words is "two hundred million, two hundred thirty-three thousand, twenty-one".