2020222102109 has 4 divisors (see below), whose sum is σ = 2058339500316. Its totient is φ = 1982104703904.

The previous prime is 2020222102079. The next prime is 2020222102123. The reversal of 2020222102109 is 9012012220202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1034675496100 + 985546606009 = 1017190^2 + 992747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020222102109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020222102139) 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, 19058699024 + ... + 19058699129.

It is an arithmetic number, because the mean of its divisors is an integer number (514584875079).

Almost surely, 2^{2020222102109} is an apocalyptic number.

It is an amenable number.

2020222102109 is a deficient number, since it is larger than the sum of its proper divisors (38117398207).

2020222102109 is an equidigital number, since it uses as much as digits as its factorization.

2020222102109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38117398206.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 2020222102109 in words is "two trillion, twenty billion, two hundred twenty-two million, one hundred two thousand, one hundred nine".