203220043 has 8 divisors (see below), whose sum is σ = 219635136. Its totient is φ = 186916800.

The previous prime is 203220041. The next prime is 203220049. The reversal of 203220043 is 340022302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203220043 - 2¹ = 203220041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203219999 and 203220026.

It is not an unprimeable number, because it can be changed into a prime (203220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24163 + ... + 31468.

It is an arithmetic number, because the mean of its divisors is an integer number (27454392).

Almost surely, 2^203220043 is an apocalyptic number.

203220043 is a deficient number, since it is larger than the sum of its proper divisors (16415093).

203220043 is a wasteful number, since it uses less digits than its factorization.

203220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55925.

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

The square root of 203220043 is about 14255.5267528071. The cubic root of 203220043 is about 587.9253408764.

Adding to 203220043 its reverse (340022302), we get a palindrome (543242345).

The spelling of 203220043 in words is "two hundred three million, two hundred twenty thousand, forty-three".