220310000203 has 4 divisors (see below), whose sum is σ = 229888695888. Its totient is φ = 210731304520.

The previous prime is 220310000171. The next prime is 220310000227. The reversal of 220310000203 is 302000013022.

It is a happy number.

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 220310000203 - 2⁵ = 220310000171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220310000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789347808 + ... + 4789347853.

It is an arithmetic number, because the mean of its divisors is an integer number (57472173972).

Almost surely, 2^220310000203 is an apocalyptic number.

220310000203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

220310000203 is a deficient number, since it is larger than the sum of its proper divisors (9578695685).

220310000203 is an equidigital number, since it uses as much as digits as its factorization.

220310000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578695684.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 220310000203 its reverse (302000013022), we get a palindrome (522310013225).

The spelling of 220310000203 in words is "two hundred twenty billion, three hundred ten million, two hundred three", and thus it is an aban number.