10202020099 has 2 divisors, whose sum is σ = 10202020100. Its totient is φ = 10202020098.

The previous prime is 10202020069. The next prime is 10202020121. The reversal of 10202020099 is 99002020201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10202020099 - 2⁵ = 10202020067 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202020039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101010049 + 5101010050.

It is an arithmetic number, because the mean of its divisors is an integer number (5101010050).

Almost surely, 2^10202020099 is an apocalyptic number.

10202020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202020099 is an equidigital number, since it uses as much as digits as its factorization.

10202020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 10202020099 in words is "ten billion, two hundred two million, twenty thousand, ninety-nine".