2203443020 has 12 divisors (see below), whose sum is σ = 4627230384. Its totient is φ = 881377200.

The previous prime is 2203443019. The next prime is 2203443031. The reversal of 2203443020 is 203443022.

It is a super-2 number, since 2×2203443020² = 9710322284773440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 110172151 = 2203443020 / (2 + 2 + 0 + 3 + 4 + 4 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2203442983 and 2203443001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55086056 + ... + 55086095.

It is an arithmetic number, because the mean of its divisors is an integer number (385602532).

Almost surely, 2^2203443020 is an apocalyptic number.

2203443020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203443020 is an abundant number, since it is smaller than the sum of its proper divisors (2423787364).

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

2203443020 is a wasteful number, since it uses less digits than its factorization.

2203443020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110172160 (or 110172158 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2203443020 is about 46940.8459659602. The cubic root of 2203443020 is about 1301.2695723628.

Adding to 2203443020 its reverse (203443022), we get a palindrome (2406886042).

The spelling of 2203443020 in words is "two billion, two hundred three million, four hundred forty-three thousand, twenty".