220111332 has 96 divisors (see below), whose sum is σ = 610848000. Its totient is φ = 61641216.

The previous prime is 220111327. The next prime is 220111343. The reversal of 220111332 is 233111022.

220111332 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217644 + ... + 218652.

It is an arithmetic number, because the mean of its divisors is an integer number (6363000).

Almost surely, 2^220111332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220111332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305424000).

220111332 is an abundant number, since it is smaller than the sum of its proper divisors (390736668).

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

220111332 is a wasteful number, since it uses less digits than its factorization.

220111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220111332 is about 14836.1495004600. The cubic root of 220111332 is about 603.7828883576.

Adding to 220111332 its reverse (233111022), we get a palindrome (453222354).

The spelling of 220111332 in words is "two hundred twenty million, one hundred eleven thousand, three hundred thirty-two".