220331211131120 has 40 divisors (see below), whose sum is σ = 513522560004720. Its totient is φ = 87917001592320.

The previous prime is 220331211131111. The next prime is 220331211131149. The reversal of 220331211131120 is 21131112133022.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366886766 + ... + 3366952205.

It is an arithmetic number, because the mean of its divisors is an integer number (12838064000118).

Almost surely, 2^{220331211131120} is an apocalyptic number.

220331211131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220331211131120 is an abundant number, since it is smaller than the sum of its proper divisors (293191348873600).

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

220331211131120 is a wasteful number, since it uses less digits than its factorization.

220331211131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733839393 (or 6733839387 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 220331211131120 its reverse (21131112133022), we get a palindrome (241462323264142).

The spelling of 220331211131120 in words is "two hundred twenty trillion, three hundred thirty-one billion, two hundred eleven million, one hundred thirty-one thousand, one hundred twenty".