20200222111009 has 2 divisors, whose sum is σ = 20200222111010. Its totient is φ = 20200222111008.

The previous prime is 20200222110919. The next prime is 20200222111033. The reversal of 20200222111009 is 90011122200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12445372840000 + 7754849271009 = 3527800^2 + 2784753^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200222111009 - 2³⁷ = 20062783157537 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200222111049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100111055504 + 10100111055505.

It is an arithmetic number, because the mean of its divisors is an integer number (10100111055505).

Almost surely, 2^{20200222111009} is an apocalyptic number.

It is an amenable number.

20200222111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200222111009 is an equidigital number, since it uses as much as digits as its factorization.

20200222111009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 20200222111009 in words is "twenty trillion, two hundred billion, two hundred twenty-two million, one hundred eleven thousand, nine".