20002199998073 has 2 divisors, whose sum is σ = 20002199998074. Its totient is φ = 20002199998072.

The previous prime is 20002199998069. The next prime is 20002199998103. The reversal of 20002199998073 is 37089999120002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12633211988329 + 7368988009744 = 3554323^2 + 2714588^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002199998073 - 2² = 20002199998069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20002199998013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001099999036 + 10001099999037.

It is an arithmetic number, because the mean of its divisors is an integer number (10001099999037).

Almost surely, 2^{20002199998073} is an apocalyptic number.

It is an amenable number.

20002199998073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002199998073 is an equidigital number, since it uses as much as digits as its factorization.

20002199998073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 20002199998073 in words is "twenty trillion, two billion, one hundred ninety-nine million, nine hundred ninety-eight thousand, seventy-three".