20002210100009 has 2 divisors, whose sum is σ = 20002210100010. Its totient is φ = 20002210100008.

The previous prime is 20002210099987. The next prime is 20002210100141. The reversal of 20002210100009 is 90000101220002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18579505056025 + 1422705043984 = 4310395^2 + 1192772^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002210100009 - 2¹² = 20002210095913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002210100009.

It is not a weakly prime, because it can be changed into another prime (20002210103009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001105050004 + 10001105050005.

It is an arithmetic number, because the mean of its divisors is an integer number (10001105050005).

Almost surely, 2^{20002210100009} is an apocalyptic number.

It is an amenable number.

20002210100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002210100009 is an equidigital number, since it uses as much as digits as its factorization.

20002210100009 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 20002210100009 in words is "twenty trillion, two billion, two hundred ten million, one hundred thousand, nine".