220132321 has 8 divisors (see below), whose sum is σ = 227695104. Its totient is φ = 212674080.

The previous prime is 220132307. The next prime is 220132327. The reversal of 220132321 is 123231022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220132321 - 2⁷ = 220132193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220132295 and 220132304.

It is not an unprimeable number, because it can be changed into a prime (220132327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21841 + ... + 30286.

It is an arithmetic number, because the mean of its divisors is an integer number (28461888).

Almost surely, 2^220132321 is an apocalyptic number.

It is an amenable number.

220132321 is a deficient number, since it is larger than the sum of its proper divisors (7562783).

220132321 is a wasteful number, since it uses less digits than its factorization.

220132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52271.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220132321 is about 14836.8568436849. The cubic root of 220132321 is about 603.8020792463.

Adding to 220132321 its reverse (123231022), we get a palindrome (343363343).

The spelling of 220132321 in words is "two hundred twenty million, one hundred thirty-two thousand, three hundred twenty-one".