1112032220 has 192 divisors, whose sum is σ = 2798240256. Its totient is φ = 367411200.

The previous prime is 1112032219. The next prime is 1112032241. The reversal of 1112032220 is 222302111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112032195 and 1112032204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11010170 + ... + 11010270.

It is an arithmetic number, because the mean of its divisors is an integer number (14574168).

Almost surely, 2^1112032220 is an apocalyptic number.

1112032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399120128).

1112032220 is an abundant number, since it is smaller than the sum of its proper divisors (1686208036).

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

1112032220 is a wasteful number, since it uses less digits than its factorization.

1112032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1112032220 is about 33347.1471043626. The cubic root of 1112032220 is about 1036.0302995466.

Adding to 1112032220 its reverse (222302111), we get a palindrome (1334334331).

The spelling of 1112032220 in words is "one billion, one hundred twelve million, thirty-two thousand, two hundred twenty".