20002210009 has 2 divisors, whose sum is σ = 20002210010. Its totient is φ = 20002210008.

The previous prime is 20002209989. The next prime is 20002210051. The reversal of 20002210009 is 90001220002.

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., 10269795600 + 9732414409 = 101340^2 + 98653^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002210009 - 2¹⁵ = 20002177241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002209974 and 20002210001.

It is not a weakly prime, because it can be changed into another prime (20002210409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001105004 + 10001105005.

It is an arithmetic number, because the mean of its divisors is an integer number (10001105005).

Almost surely, 2^20002210009 is an apocalyptic number.

It is an amenable number.

20002210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002210009 is an equidigital number, since it uses as much as digits as its factorization.

20002210009 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 16.

The spelling of 20002210009 in words is "twenty billion, two million, two hundred ten thousand, nine".