220003203311 has 4 divisors (see below), whose sum is σ = 220504350000. Its totient is φ = 219502056624.

The previous prime is 220003203281. The next prime is 220003203323. The reversal of 220003203311 is 113302300022.

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 220003203311 - 2⁶ = 220003203247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220003203311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220003203331) 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, 250572686 + ... + 250573563.

It is an arithmetic number, because the mean of its divisors is an integer number (55126087500).

Almost surely, 2^220003203311 is an apocalyptic number.

220003203311 is a deficient number, since it is larger than the sum of its proper divisors (501146689).

220003203311 is an equidigital number, since it uses as much as digits as its factorization.

220003203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501146688.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220003203311 its reverse (113302300022), we get a palindrome (333305503333).

The spelling of 220003203311 in words is "two hundred twenty billion, three million, two hundred three thousand, three hundred eleven".