20205675313099 has 2 divisors, whose sum is σ = 20205675313100. Its totient is φ = 20205675313098.

The previous prime is 20205675313091. The next prime is 20205675313171. The reversal of 20205675313099 is 99031357650202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20205675313099 - 2³ = 20205675313091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20205675313091) 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, 10102837656549 + 10102837656550.

It is an arithmetic number, because the mean of its divisors is an integer number (10102837656550).

Almost surely, 2^{20205675313099} is an apocalyptic number.

20205675313099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20205675313099 is an equidigital number, since it uses as much as digits as its factorization.

20205675313099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 20205675313099 in words is "twenty trillion, two hundred five billion, six hundred seventy-five million, three hundred thirteen thousand, ninety-nine".