2203001320 has 32 divisors (see below), whose sum is σ = 5338042920. Its totient is φ = 813415680.

The previous prime is 2203001261. The next prime is 2203001323. The reversal of 2203001320 is 231003022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1774262884 + 428738436 = 42122^2 + 20706^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 2203001320.

It is not an unprimeable number, because it can be changed into a prime (2203001323) 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, 2117751 + ... + 2118790.

Almost surely, 2^2203001320 is an apocalyptic number.

2203001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203001320 is an abundant number, since it is smaller than the sum of its proper divisors (3135041600).

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

2203001320 is a wasteful number, since it uses less digits than its factorization.

2203001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236565 (or 4236561 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2203001320 is about 46936.1408724663. The cubic root of 2203001320 is about 1301.1826161500.

Adding to 2203001320 its reverse (231003022), we get a palindrome (2434004342).

The spelling of 2203001320 in words is "two billion, two hundred three million, one thousand, three hundred twenty".