20550104330099 has 2 divisors, whose sum is σ = 20550104330100. Its totient is φ = 20550104330098.

The previous prime is 20550104330033. The next prime is 20550104330183. The reversal of 20550104330099 is 99003340105502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20550104330099 is a prime.

It is not a weakly prime, because it can be changed into another prime (20550104330029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10275052165049 + 10275052165050.

It is an arithmetic number, because the mean of its divisors is an integer number (10275052165050).

Almost surely, 2^{20550104330099} is an apocalyptic number.

20550104330099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20550104330099 is an equidigital number, since it uses as much as digits as its factorization.

20550104330099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 20550104330099 in words is "twenty trillion, five hundred fifty billion, one hundred four million, three hundred thirty thousand, ninety-nine".