2201204020 has 24 divisors (see below), whose sum is σ = 4623532200. Its totient is φ = 880290432.

The previous prime is 2201204009. The next prime is 2201204041. The reversal of 2201204020 is 204021022.

It can be written as a sum of positive squares in 4 ways, for example, as 57699216 + 2143504804 = 7596^2 + 46298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115746 + ... + 133414.

It is an arithmetic number, because the mean of its divisors is an integer number (192647175).

Almost surely, 2^2201204020 is an apocalyptic number.

2201204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201204020 is an abundant number, since it is smaller than the sum of its proper divisors (2422328180).

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

2201204020 is a wasteful number, since it uses less digits than its factorization.

2201204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23907 (or 23905 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2201204020 is about 46916.9907389636. The cubic root of 2201204020 is about 1300.8286669318.

Adding to 2201204020 its reverse (204021022), we get a palindrome (2405225042).

The spelling of 2201204020 in words is "two billion, two hundred one million, two hundred four thousand, twenty".