200033381 has 2 divisors, whose sum is σ = 200033382. Its totient is φ = 200033380.

The previous prime is 200033357. The next prime is 200033389. The reversal of 200033381 is 183330002.

200033381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132940900 + 67092481 = 11530^2 + 8191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200033381 is a prime.

It is a super-2 number, since 2×200033381² = 80026707028582322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200033389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100016690 + 100016691.

It is an arithmetic number, because the mean of its divisors is an integer number (100016691).

Almost surely, 2^200033381 is an apocalyptic number.

It is an amenable number.

200033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

200033381 is an equidigital number, since it uses as much as digits as its factorization.

200033381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 200033381 is about 14143.3157710630. The cubic root of 200033381 is about 584.8360813780.

Adding to 200033381 its reverse (183330002), we get a palindrome (383363383).

The spelling of 200033381 in words is "two hundred million, thirty-three thousand, three hundred eighty-one".