2020202100109 has 4 divisors (see below), whose sum is σ = 2020205504704. Its totient is φ = 2020198695516.

The previous prime is 2020202100047. The next prime is 2020202100149. The reversal of 2020202100109 is 9010012020202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020202100109 - 2²¹ = 2020200002957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020202100149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554067 + ... + 2085040.

It is an arithmetic number, because the mean of its divisors is an integer number (505051376176).

Almost surely, 2^{2020202100109} is an apocalyptic number.

It is an amenable number.

2020202100109 is a deficient number, since it is larger than the sum of its proper divisors (3404595).

2020202100109 is an equidigital number, since it uses as much as digits as its factorization.

2020202100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404594.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 2020202100109 in words is "two trillion, twenty billion, two hundred two million, one hundred thousand, one hundred nine".