220020311323303 has 16 divisors (see below), whose sum is σ = 233993126080000. Its totient is φ = 206286871295232.

The previous prime is 220020311323297. The next prime is 220020311323361. The reversal of 220020311323303 is 303323113020022.

It is a cyclic number.

It is not a de Polignac number, because 220020311323303 - 2²⁹ = 220019774452391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020311323403) 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, 83665618 + ... + 86255296.

It is an arithmetic number, because the mean of its divisors is an integer number (14624570380000).

Almost surely, 2^{220020311323303} is an apocalyptic number.

220020311323303 is a deficient number, since it is larger than the sum of its proper divisors (13972814756697).

220020311323303 is a wasteful number, since it uses less digits than its factorization.

220020311323303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635894.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 220020311323303 its reverse (303323113020022), we get a palindrome (523343424343325).

The spelling of 220020311323303 in words is "two hundred twenty trillion, twenty billion, three hundred eleven million, three hundred twenty-three thousand, three hundred three".