220120332 has 12 divisors (see below), whose sum is σ = 513614136. Its totient is φ = 73373440.

The previous prime is 220120283. The next prime is 220120343. The reversal of 220120332 is 233021022.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 9171669 + ... + 9171692.

It is an arithmetic number, because the mean of its divisors is an integer number (42801178).

Almost surely, 2^220120332 is an apocalyptic number.

It is an amenable number.

220120332 is an abundant number, since it is smaller than the sum of its proper divisors (293493804).

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

220120332 is a wasteful number, since it uses less digits than its factorization.

220120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343368 (or 18343366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220120332 is about 14836.4528105609. The cubic root of 220120332 is about 603.7911174840.

Adding to 220120332 its reverse (233021022), we get a palindrome (453141354).

The spelling of 220120332 in words is "two hundred twenty million, one hundred twenty thousand, three hundred thirty-two".