220303111122320 has 40 divisors (see below), whose sum is σ = 513211029590520. Its totient is φ = 87948118215680.

The previous prime is 220303111122203. The next prime is 220303111122329. The reversal of 220303111122320 is 23221111303022.

It can be written as a sum of positive squares in 4 ways, for example, as 8485592304016 + 211817518818304 = 2913004^2 + 14553952^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (220303111122329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705056421 + ... + 2705137860.

It is an arithmetic number, because the mean of its divisors is an integer number (12830275739763).

Almost surely, 2^{220303111122320} is an apocalyptic number.

220303111122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220303111122320 is an abundant number, since it is smaller than the sum of its proper divisors (292907918468200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220303111122320 is a wasteful number, since it uses less digits than its factorization.

220303111122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410194803 (or 5410194797 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 220303111122320 its reverse (23221111303022), we get a palindrome (243524222425342).

The spelling of 220303111122320 in words is "two hundred twenty trillion, three hundred three billion, one hundred eleven million, one hundred twenty-two thousand, three hundred twenty".