20002424022409 has 2 divisors, whose sum is σ = 20002424022410. Its totient is φ = 20002424022408.

The previous prime is 20002424022323. The next prime is 20002424022431. The reversal of 20002424022409 is 90422042420002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16980292111225 + 3022131911184 = 4120715^2 + 1738428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002424022409 - 2²⁵ = 20002390467977 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002424022499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001212011204 + 10001212011205.

It is an arithmetic number, because the mean of its divisors is an integer number (10001212011205).

Almost surely, 2^{20002424022409} is an apocalyptic number.

It is an amenable number.

20002424022409 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002424022409 is an equidigital number, since it uses as much as digits as its factorization.

20002424022409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 20002424022409 in words is "twenty trillion, two billion, four hundred twenty-four million, twenty-two thousand, four hundred nine".