220303121302303 has 16 divisors (see below), whose sum is σ = 247565311632576. Its totient is φ = 194514659032320.

The previous prime is 220303121302301. The next prime is 220303121302339. The reversal of 220303121302303 is 303203121303022.

It is a cyclic number.

It is not a de Polignac number, because 220303121302303 - 2¹ = 220303121302301 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 (220303121302301) 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 15 ways as a sum of consecutive naturals, for example, 192834723 + ... + 193973803.

It is an arithmetic number, because the mean of its divisors is an integer number (15472831977036).

Almost surely, 2^{220303121302303} is an apocalyptic number.

220303121302303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

220303121302303 is a deficient number, since it is larger than the sum of its proper divisors (27262190330273).

220303121302303 is a wasteful number, since it uses less digits than its factorization.

220303121302303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785954.

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

Adding to 220303121302303 its reverse (303203121303022), we get a palindrome (523506242605325).

The spelling of 220303121302303 in words is "two hundred twenty trillion, three hundred three billion, one hundred twenty-one million, three hundred two thousand, three hundred three".