20022200222009 has 2 divisors, whose sum is σ = 20022200222010. Its totient is φ = 20022200222008.

The previous prime is 20022200221993. The next prime is 20022200222047. The reversal of 20022200222009 is 90022200222002.

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., 11741313433600 + 8280886788409 = 3426560^2 + 2877653^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022200222009 - 2⁴ = 20022200221993 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022200225009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011100111004 + 10011100111005.

It is an arithmetic number, because the mean of its divisors is an integer number (10011100111005).

Almost surely, 2^{20022200222009} is an apocalyptic number.

It is an amenable number.

20022200222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022200222009 is an equidigital number, since it uses as much as digits as its factorization.

20022200222009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 20022200222009 in words is "twenty trillion, twenty-two billion, two hundred million, two hundred twenty-two thousand, nine".