220465403 has 4 divisors (see below), whose sum is σ = 220904208. Its totient is φ = 220026600.

The previous prime is 220465393. The next prime is 220465439. The reversal of 220465403 is 304564022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220465403 - 2⁶ = 220465339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220465703) 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 3 ways as a sum of consecutive naturals, for example, 218648 + ... + 219653.

It is an arithmetic number, because the mean of its divisors is an integer number (55226052).

Almost surely, 2^220465403 is an apocalyptic number.

220465403 is a deficient number, since it is larger than the sum of its proper divisors (438805).

220465403 is an equidigital number, since it uses as much as digits as its factorization.

220465403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438804.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 220465403 is about 14848.0774176322. The cubic root of 220465403 is about 604.1064632224.

The spelling of 220465403 in words is "two hundred twenty million, four hundred sixty-five thousand, four hundred three".