2300121220 has 48 divisors (see below), whose sum is σ = 4887122688. Its totient is φ = 909259520.

The previous prime is 2300121217. The next prime is 2300121221. The reversal of 2300121220 is 221210032.

It is a self number, because there is not a number n which added to its sum of digits gives 2300121220.

It is not an unprimeable number, because it can be changed into a prime (2300121221) 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, 1113909 + ... + 1115971.

It is an arithmetic number, because the mean of its divisors is an integer number (101815056).

Almost surely, 2^2300121220 is an apocalyptic number.

2300121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300121220 is an abundant number, since it is smaller than the sum of its proper divisors (2587001468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2300121220 is a wasteful number, since it uses less digits than its factorization.

2300121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2698 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2300121220 is about 47959.5790223392. The cubic root of 2300121220 is about 1320.0293114091.

Adding to 2300121220 its reverse (221210032), we get a palindrome (2521331252).

The spelling of 2300121220 in words is "two billion, three hundred million, one hundred twenty-one thousand, two hundred twenty".