200030221 has 4 divisors (see below), whose sum is σ = 200713212. Its totient is φ = 199347232.

The previous prime is 200030213. The next prime is 200030273. The reversal of 200030221 is 122030002.

200030221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122030002 = 2 ⋅61015001.

It can be written as a sum of positive squares in 2 ways, for example, as 192820996 + 7209225 = 13886^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 200030221 - 2³ = 200030213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200030198 and 200030207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200033221) 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, 341056 + ... + 341641.

It is an arithmetic number, because the mean of its divisors is an integer number (50178303).

Almost surely, 2^200030221 is an apocalyptic number.

It is an amenable number.

200030221 is a deficient number, since it is larger than the sum of its proper divisors (682991).

200030221 is an equidigital number, since it uses as much as digits as its factorization.

200030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682990.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 200030221 is about 14143.2040570728. The cubic root of 200030221 is about 584.8330017391.

Adding to 200030221 its reverse (122030002), we get a palindrome (322060223).

The spelling of 200030221 in words is "two hundred million, thirty thousand, two hundred twenty-one".