2043220803 has 64 divisors (see below), whose sum is σ = 3324787200. Its totient is φ = 1102325760.

The previous prime is 2043220789. The next prime is 2043220807. The reversal of 2043220803 is 3080223402.

It is a Cunningham number, because it is equal to 45202²-1.

It is not a de Polignac number, because 2043220803 - 2⁸ = 2043220547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043220807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 767088 + ... + 769746.

It is an arithmetic number, because the mean of its divisors is an integer number (51949800).

Almost surely, 2^2043220803 is an apocalyptic number.

2043220803 is a deficient number, since it is larger than the sum of its proper divisors (1281566397).

2043220803 is a wasteful number, since it uses less digits than its factorization.

2043220803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2043220803 is about 45201.9999889385. Note that the first 4 decimals coincide. The cubic root of 2043220803 is about 1268.9322463564.

The spelling of 2043220803 in words is "two billion, forty-three million, two hundred twenty thousand, eight hundred three".