220120010109 has 24 divisors (see below), whose sum is σ = 330892310112. Its totient is φ = 146228088240.

The previous prime is 220120010063. The next prime is 220120010119. The reversal of 220120010109 is 901010021022.

220120010109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220120010109 - 2¹² = 220120006013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220120010091 and 220120010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120010119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1531662 + ... + 1669199.

It is an arithmetic number, because the mean of its divisors is an integer number (13787179588).

Almost surely, 2^220120010109 is an apocalyptic number.

It is an amenable number.

220120010109 is a deficient number, since it is larger than the sum of its proper divisors (110772300003).

220120010109 is an equidigital number, since it uses as much as digits as its factorization.

220120010109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201159 (or 3201147 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 220120010109 in words is "two hundred twenty billion, one hundred twenty million, ten thousand, one hundred nine".