220030121009 has 16 divisors (see below), whose sum is σ = 229000888320. Its totient is φ = 211181910480.

The previous prime is 220030120993. The next prime is 220030121041. The reversal of 220030121009 is 900121030022.

It is a cyclic number.

It is not a de Polignac number, because 220030121009 - 2⁴ = 220030120993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220030121089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374934 + ... + 2465840.

It is an arithmetic number, because the mean of its divisors is an integer number (14312555520).

Almost surely, 2^220030121009 is an apocalyptic number.

It is an amenable number.

220030121009 is a deficient number, since it is larger than the sum of its proper divisors (8970767311).

220030121009 is a wasteful number, since it uses less digits than its factorization.

220030121009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91580.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 220030121009 in words is "two hundred twenty billion, thirty million, one hundred twenty-one thousand, nine".