2020100022209 has 4 divisors (see below), whose sum is σ = 2069370754500. Its totient is φ = 1970829289920.

The previous prime is 2020100022191. The next prime is 2020100022217. The reversal of 2020100022209 is 9022200010202.

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 770015025025 + 1250084997184 = 877505^2 + 1118072^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020100022209 - 2⁴⁰ = 920588394433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020100022229) 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, 24635366084 + ... + 24635366165.

It is an arithmetic number, because the mean of its divisors is an integer number (517342688625).

Almost surely, 2^{2020100022209} is an apocalyptic number.

It is an amenable number.

2020100022209 is a deficient number, since it is larger than the sum of its proper divisors (49270732291).

2020100022209 is an equidigital number, since it uses as much as digits as its factorization.

2020100022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49270732290.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 2020100022209 in words is "two trillion, twenty billion, one hundred million, twenty-two thousand, two hundred nine".