200220073 has 2 divisors, whose sum is σ = 200220074. Its totient is φ = 200220072.

The previous prime is 200220023. The next prime is 200220107. The reversal of 200220073 is 370022002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 100060009 = 10008^2 + 10003^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220073 - 2⁹ = 200219561 is a prime.

It is not a weakly prime, because it can be changed into another prime (200220023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110036 + 100110037.

It is an arithmetic number, because the mean of its divisors is an integer number (100110037).

Almost surely, 2^200220073 is an apocalyptic number.

It is an amenable number.

200220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220073 is an equidigital number, since it uses as much as digits as its factorization.

200220073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 200220073 is about 14149.9142400228. The cubic root of 200220073 is about 585.0179681334.

Adding to 200220073 its reverse (370022002), we get a palindrome (570242075).

The spelling of 200220073 in words is "two hundred million, two hundred twenty thousand, seventy-three".