200220109 has 2 divisors, whose sum is σ = 200220110. Its totient is φ = 200220108.

The previous prime is 200220107. The next prime is 200220113. The reversal of 200220109 is 901022002.

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., 131744484 + 68475625 = 11478^2 + 8275^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220109 - 2¹ = 200220107 is a prime.

Together with 200220107, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 200220092 and 200220101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110054 + 100110055.

It is an arithmetic number, because the mean of its divisors is an integer number (100110055).

Almost surely, 2^200220109 is an apocalyptic number.

It is an amenable number.

200220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220109 is an equidigital number, since it uses as much as digits as its factorization.

200220109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 200220109 is about 14149.9155121153. The cubic root of 200220109 is about 585.0180031959.

The spelling of 200220109 in words is "two hundred million, two hundred twenty thousand, one hundred nine".