20201012010899 has 2 divisors, whose sum is σ = 20201012010900. Its totient is φ = 20201012010898.

The previous prime is 20201012010859. The next prime is 20201012010913. The reversal of 20201012010899 is 99801021010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201012010899 - 2²⁰ = 20201010962323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201012010859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100506005449 + 10100506005450.

It is an arithmetic number, because the mean of its divisors is an integer number (10100506005450).

Almost surely, 2^{20201012010899} is an apocalyptic number.

20201012010899 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201012010899 is an equidigital number, since it uses as much as digits as its factorization.

20201012010899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 20201012010899 in words is "twenty trillion, two hundred one billion, twelve million, ten thousand, eight hundred ninety-nine".