2201123020 has 24 divisors (see below), whose sum is σ = 4865641200. Its totient is φ = 834109632.

The previous prime is 2201123009. The next prime is 2201123027. The reversal of 2201123020 is 203211022.

It is not an unprimeable number, because it can be changed into a prime (2201123027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895835 + ... + 2896594.

It is an arithmetic number, because the mean of its divisors is an integer number (202735050).

Almost surely, 2^2201123020 is an apocalyptic number.

2201123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201123020 is an abundant number, since it is smaller than the sum of its proper divisors (2664518180).

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

2201123020 is a wasteful number, since it uses less digits than its factorization.

2201123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792457 (or 5792455 counting only the distinct ones).

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

The square root of 2201123020 is about 46916.1275043028. The cubic root of 2201123020 is about 1300.8127107531.

Adding to 2201123020 its reverse (203211022), we get a palindrome (2404334042).

The spelling of 2201123020 in words is "two billion, two hundred one million, one hundred twenty-three thousand, twenty".