2203101220 has 12 divisors (see below), whose sum is σ = 4626512604. Its totient is φ = 881240480.

The previous prime is 2203101181. The next prime is 2203101221. The reversal of 2203101220 is 221013022.

It can be written as a sum of positive squares in 2 ways, for example, as 280629504 + 1922471716 = 16752^2 + 43846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2203101220.

It is not an unprimeable number, because it can be changed into a prime (2203101221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55077511 + ... + 55077550.

It is an arithmetic number, because the mean of its divisors is an integer number (385542717).

Almost surely, 2^2203101220 is an apocalyptic number.

2203101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203101220 is an abundant number, since it is smaller than the sum of its proper divisors (2423411384).

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

2203101220 is a wasteful number, since it uses less digits than its factorization.

2203101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110155070 (or 110155068 counting only the distinct ones).

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

The square root of 2203101220 is about 46937.2050723091. The cubic root of 2203101220 is about 1301.2022841936.

Adding to 2203101220 its reverse (221013022), we get a palindrome (2424114242).

The spelling of 2203101220 in words is "two billion, two hundred three million, one hundred one thousand, two hundred twenty".