20202010099 has 2 divisors, whose sum is σ = 20202010100. Its totient is φ = 20202010098.

The previous prime is 20202010079. The next prime is 20202010111. The reversal of 20202010099 is 99001020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202010099 - 2⁵ = 20202010067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202010009) 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, 10101005049 + 10101005050.

It is an arithmetic number, because the mean of its divisors is an integer number (10101005050).

Almost surely, 2^20202010099 is an apocalyptic number.

20202010099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202010099 is an equidigital number, since it uses as much as digits as its factorization.

20202010099 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 20202010099 in words is "twenty billion, two hundred two million, ten thousand, ninety-nine".