20202210010109 has 2 divisors, whose sum is σ = 20202210010110. Its totient is φ = 20202210010108.

The previous prime is 20202210010043. The next prime is 20202210010163. The reversal of 20202210010109 is 90101001220202.

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., 15673506804484 + 4528703205625 = 3958978^2 + 2128075^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202210010109 - 2⁴⁰ = 19102698382333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202210010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101105005054 + 10101105005055.

It is an arithmetic number, because the mean of its divisors is an integer number (10101105005055).

Almost surely, 2^{20202210010109} is an apocalyptic number.

It is an amenable number.

20202210010109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202210010109 is an equidigital number, since it uses as much as digits as its factorization.

20202210010109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20202210010109 in words is "twenty trillion, two hundred two billion, two hundred ten million, ten thousand, one hundred nine".