220030503 has 16 divisors (see below), whose sum is σ = 365765376. Its totient is φ = 114301440.

The previous prime is 220030487. The next prime is 220030553. The reversal of 220030503 is 305030022.

It is not a de Polignac number, because 220030503 - 2⁴ = 220030487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476026 + ... + 476487.

It is an arithmetic number, because the mean of its divisors is an integer number (22860336).

Almost surely, 2^220030503 is an apocalyptic number.

220030503 is a deficient number, since it is larger than the sum of its proper divisors (145734873).

220030503 is a wasteful number, since it uses less digits than its factorization.

220030503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952534.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 220030503 is about 14833.4251944721. The cubic root of 220030503 is about 603.7089725174.

Adding to 220030503 its reverse (305030022), we get a palindrome (525060525).

The spelling of 220030503 in words is "two hundred twenty million, thirty thousand, five hundred three".