200132021 has 2 divisors, whose sum is σ = 200132022. Its totient is φ = 200132020.

The previous prime is 200132017. The next prime is 200132027. The reversal of 200132021 is 120231002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108451396 + 91680625 = 10414^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 200132021 - 2² = 200132017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200131993 and 200132011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200132027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100066010 + 100066011.

It is an arithmetic number, because the mean of its divisors is an integer number (100066011).

Almost surely, 2^200132021 is an apocalyptic number.

It is an amenable number.

200132021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200132021 is an equidigital number, since it uses as much as digits as its factorization.

200132021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200132021 is about 14146.8025009187. The cubic root of 200132021 is about 584.9321965881.

Adding to 200132021 its reverse (120231002), we get a palindrome (320363023).

The spelling of 200132021 in words is "two hundred million, one hundred thirty-two thousand, twenty-one".