20002210409 has 2 divisors, whose sum is σ = 20002210410. Its totient is φ = 20002210408.

The previous prime is 20002210391. The next prime is 20002210447. The reversal of 20002210409 is 90401220002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18788733184 + 1213477225 = 137072^2 + 34835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002210409 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002210009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001105204 + 10001105205.

It is an arithmetic number, because the mean of its divisors is an integer number (10001105205).

Almost surely, 2^20002210409 is an apocalyptic number.

It is an amenable number.

20002210409 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002210409 is an equidigital number, since it uses as much as digits as its factorization.

20002210409 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 20.

The spelling of 20002210409 in words is "twenty billion, two million, two hundred ten thousand, four hundred nine".