220311203330120 has 64 divisors (see below), whose sum is σ = 581825726196480. Its totient is φ = 73493775933696.

The previous prime is 220311203330117. The next prime is 220311203330131. The reversal of 220311203330120 is 21033302113022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10632769724 + ... + 10632790443.

It is an arithmetic number, because the mean of its divisors is an integer number (9091026971820).

Almost surely, 2^{220311203330120} is an apocalyptic number.

220311203330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220311203330120 is an abundant number, since it is smaller than the sum of its proper divisors (361514522866360).

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

220311203330120 is a wasteful number, since it uses less digits than its factorization.

220311203330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265560222 (or 21265560218 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 220311203330120 its reverse (21033302113022), we get a palindrome (241344505443142).

The spelling of 220311203330120 in words is "two hundred twenty trillion, three hundred eleven billion, two hundred three million, three hundred thirty thousand, one hundred twenty".