200230333021 has 4 divisors (see below), whose sum is σ = 200236826592. Its totient is φ = 200223839452.

The previous prime is 200230333007. The next prime is 200230333057. The reversal of 200230333021 is 120333032002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200230333021 - 2⁷ = 200230332893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200230333021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200230333321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200311 + ... + 3262276.

It is an arithmetic number, because the mean of its divisors is an integer number (50059206648).

Almost surely, 2^200230333021 is an apocalyptic number.

It is an amenable number.

200230333021 is a deficient number, since it is larger than the sum of its proper divisors (6493571).

200230333021 is an equidigital number, since it uses as much as digits as its factorization.

200230333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493570.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 200230333021 its reverse (120333032002), we get a palindrome (320563365023).

The spelling of 200230333021 in words is "two hundred billion, two hundred thirty million, three hundred thirty-three thousand, twenty-one".