220401103 has 16 divisors (see below), whose sum is σ = 245733376. Its totient is φ = 196305120.

The previous prime is 220401043. The next prime is 220401127. The reversal of 220401103 is 301104022.

It is a cyclic number.

It is not a de Polignac number, because 220401103 - 2⁹ = 220400591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220401163) 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, 195700 + ... + 196822.

It is an arithmetic number, because the mean of its divisors is an integer number (15358336).

Almost surely, 2^220401103 is an apocalyptic number.

220401103 is a deficient number, since it is larger than the sum of its proper divisors (25332273).

220401103 is a wasteful number, since it uses less digits than its factorization.

220401103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220401103 is about 14845.9119962365. The cubic root of 220401103 is about 604.0477271395.

Adding to 220401103 its reverse (301104022), we get a palindrome (521505125).

The spelling of 220401103 in words is "two hundred twenty million, four hundred one thousand, one hundred three".