220011232 has 48 divisors (see below), whose sum is σ = 496413792. Its totient is φ = 94026240.

The previous prime is 220011223. The next prime is 220011251. The reversal of 220011232 is 232110022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93138 + ... + 95470.

It is an arithmetic number, because the mean of its divisors is an integer number (10341954).

Almost surely, 2^220011232 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 220011232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248206896).

220011232 is an abundant number, since it is smaller than the sum of its proper divisors (276402560).

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

220011232 is a wasteful number, since it uses less digits than its factorization.

220011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220011232 is about 14832.7756000015. The cubic root of 220011232 is about 603.6913470592.

Adding to 220011232 its reverse (232110022), we get a palindrome (452121254).

The spelling of 220011232 in words is "two hundred twenty million, eleven thousand, two hundred thirty-two".