2020100099 has 4 divisors (see below), whose sum is σ = 2020193760. Its totient is φ = 2020006440.

The previous prime is 2020100087. The next prime is 2020100111. The reversal of 2020100099 is 9900010202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2020100087) and next prime (2020100111).

It is a cyclic number.

It is not a de Polignac number, because 2020100099 - 2⁸ = 2020099843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020100029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 63669.

It is an arithmetic number, because the mean of its divisors is an integer number (505048440).

Almost surely, 2^2020100099 is an apocalyptic number.

2020100099 is a deficient number, since it is larger than the sum of its proper divisors (93661).

2020100099 is an equidigital number, since it uses as much as digits as its factorization.

2020100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93660.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2020100099 is about 44945.5236814524. The cubic root of 2020100099 is about 1264.1277450189.

The spelling of 2020100099 in words is "two billion, twenty million, one hundred thousand, ninety-nine".