202040093 has 2 divisors, whose sum is σ = 202040094. Its totient is φ = 202040092.

The previous prime is 202040089. The next prime is 202040141. The reversal of 202040093 is 390040202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117896164 + 84143929 = 10858^2 + 9173^2 .

It is a cyclic number.

It is not a de Polignac number, because 202040093 - 2² = 202040089 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202040063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101020046 + 101020047.

It is an arithmetic number, because the mean of its divisors is an integer number (101020047).

Almost surely, 2^202040093 is an apocalyptic number.

It is an amenable number.

202040093 is a deficient number, since it is larger than the sum of its proper divisors (1).

202040093 is an equidigital number, since it uses as much as digits as its factorization.

202040093 is an odious number, because the sum of its binary digits is odd.

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

The square root of 202040093 is about 14214.0808003895. The cubic root of 202040093 is about 586.7852474589.

Adding to 202040093 its reverse (390040202), we get a palindrome (592080295).

The spelling of 202040093 in words is "two hundred two million, forty thousand, ninety-three".