20000002211009 has 2 divisors, whose sum is σ = 20000002211010. Its totient is φ = 20000002211008.

The previous prime is 20000002210997. The next prime is 20000002211041. The reversal of 20000002211009 is 90011220000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19198663930384 + 801338280625 = 4381628^2 + 895175^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000002211009 - 2²⁰ = 20000001162433 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000002211309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000001105504 + 10000001105505.

It is an arithmetic number, because the mean of its divisors is an integer number (10000001105505).

Almost surely, 2^{20000002211009} is an apocalyptic number.

It is an amenable number.

20000002211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000002211009 is an equidigital number, since it uses as much as digits as its factorization.

20000002211009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 20000002211009 in words is "twenty trillion, two million, two hundred eleven thousand, nine".