220032003 has 16 divisors (see below), whose sum is σ = 311316480. Its totient is φ = 137755776.

The previous prime is 220031993. The next prime is 220032011. The reversal of 220032003 is 300230022.

It is not a de Polignac number, because 220032003 - 2⁵ = 220031971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220032003.

It is not an unprimeable number, because it can be changed into a prime (220032013) 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 15 ways as a sum of consecutive naturals, for example, 19926 + ... + 28932.

It is an arithmetic number, because the mean of its divisors is an integer number (19457280).

Almost surely, 2^220032003 is an apocalyptic number.

220032003 is a deficient number, since it is larger than the sum of its proper divisors (91284477).

220032003 is a wasteful number, since it uses less digits than its factorization.

220032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 220032003 is about 14833.4757558706. The cubic root of 220032003 is about 603.7103443899.

Adding to 220032003 its reverse (300230022), we get a palindrome (520262025).

The spelling of 220032003 in words is "two hundred twenty million, thirty-two thousand, three".