220441403 has 24 divisors (see below), whose sum is σ = 281650176. Its totient is φ = 168760800.

The previous prime is 220441387. The next prime is 220441423. The reversal of 220441403 is 304144022.

It is not a de Polignac number, because 220441403 - 2⁴ = 220441387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220441423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33668 + ... + 39678.

It is an arithmetic number, because the mean of its divisors is an integer number (11735424).

Almost surely, 2^220441403 is an apocalyptic number.

220441403 is a deficient number, since it is larger than the sum of its proper divisors (61208773).

220441403 is a wasteful number, since it uses less digits than its factorization.

220441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075 (or 6062 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 220441403 is about 14847.2692101948. The cubic root of 220441403 is about 604.0845412926.

Adding to 220441403 its reverse (304144022), we get a palindrome (524585425).

The spelling of 220441403 in words is "two hundred twenty million, four hundred forty-one thousand, four hundred three".