220131112 has 32 divisors (see below), whose sum is σ = 449460000. Its totient is φ = 100675008.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131112 is 211131022.

It is a junction number, because it is equal to n+sod(n) for n = 220131092 and 220131101.

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, 20562 + ... + 29377.

It is an arithmetic number, because the mean of its divisors is an integer number (14045625).

Almost surely, 2^220131112 is an apocalyptic number.

It is an amenable number.

220131112 is an abundant number, since it is smaller than the sum of its proper divisors (229328888).

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

220131112 is a wasteful number, since it uses less digits than its factorization.

220131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993 (or 49989 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 220131112 is about 14836.8161004981. The cubic root of 220131112 is about 603.8009738535.

Adding to 220131112 its reverse (211131022), we get a palindrome (431262134).

The spelling of 220131112 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred twelve".