2020220109 has 84 divisors (see below), whose sum is σ = 3307190656. Its totient is φ = 1232558208.

The previous prime is 2020220099. The next prime is 2020220117. The reversal of 2020220109 is 9010220202.

2020220109 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2020220109 - 2⁵ = 2020220077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020220091 and 2020220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020220119) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 9059172 + ... + 9059394.

Almost surely, 2^2020220109 is an apocalyptic number.

It is an amenable number.

2020220109 is a deficient number, since it is larger than the sum of its proper divisors (1286970547).

2020220109 is an equidigital number, since it uses as much as digits as its factorization.

2020220109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2020220109 is about 44946.8587222734. The cubic root of 2020220109 is about 1264.1527776013.

The spelling of 2020220109 in words is "two billion, twenty million, two hundred twenty thousand, one hundred nine".