220320012403 has 4 divisors (see below), whose sum is σ = 227917254240. Its totient is φ = 212722770568.

The previous prime is 220320012391. The next prime is 220320012469. The reversal of 220320012403 is 304210023022.

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 220320012403 - 2¹³ = 220320004211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220320018403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798620875 + ... + 3798620932.

It is an arithmetic number, because the mean of its divisors is an integer number (56979313560).

Almost surely, 2^220320012403 is an apocalyptic number.

220320012403 is a deficient number, since it is larger than the sum of its proper divisors (7597241837).

220320012403 is an equidigital number, since it uses as much as digits as its factorization.

220320012403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597241836.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220320012403 its reverse (304210023022), we get a palindrome (524530035425).

The spelling of 220320012403 in words is "two hundred twenty billion, three hundred twenty million, twelve thousand, four hundred three".