220542003 has 24 divisors (see below), whose sum is σ = 367965936. Its totient is φ = 125798400.

The previous prime is 220541999. The next prime is 220542011. The reversal of 220542003 is 300245022.

It is not a de Polignac number, because 220542003 - 2² = 220541999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220542043) 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 23 ways as a sum of consecutive naturals, for example, 63838 + ... + 67203.

It is an arithmetic number, because the mean of its divisors is an integer number (15331914).

Almost surely, 2^220542003 is an apocalyptic number.

220542003 is a deficient number, since it is larger than the sum of its proper divisors (147423933).

220542003 is a wasteful number, since it uses less digits than its factorization.

220542003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131075 (or 131072 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220542003 is about 14850.6566521484. The cubic root of 220542003 is about 604.1764200745.

Adding to 220542003 its reverse (300245022), we get a palindrome (520787025).

The spelling of 220542003 in words is "two hundred twenty million, five hundred forty-two thousand, three".