2203322020 has 24 divisors (see below), whose sum is σ = 4674681144. Its totient is φ = 872242176.

The previous prime is 2203321999. The next prime is 2203322027. The reversal of 2203322020 is 202233022.

It can be written as a sum of positive squares in 4 ways, for example, as 400640256 + 1802681764 = 20016^2 + 42458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2203321985 and 2203322003.

It is not an unprimeable number, because it can be changed into a prime (2203322027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565927 + ... + 569806.

It is an arithmetic number, because the mean of its divisors is an integer number (194778381).

Almost surely, 2^2203322020 is an apocalyptic number.

2203322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203322020 is an abundant number, since it is smaller than the sum of its proper divisors (2471359124).

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

2203322020 is a wasteful number, since it uses less digits than its factorization.

2203322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135839 (or 1135837 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2203322020 is about 46939.5570920732. The cubic root of 2203322020 is about 1301.2457525954.

Adding to 2203322020 its reverse (202233022), we get a palindrome (2405555042).

The spelling of 2203322020 in words is "two billion, two hundred three million, three hundred twenty-two thousand, twenty".