220452321 has 8 divisors (see below), whose sum is σ = 294940800. Its totient is φ = 146466032.

The previous prime is 220452313. The next prime is 220452329. The reversal of 220452321 is 123254022.

It is an interprime number because it is at equal distance from previous prime (220452313) and next prime (220452329).

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 220452321 - 2³ = 220452313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220452329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124521 + ... + 126278.

It is an arithmetic number, because the mean of its divisors is an integer number (36867600).

Almost surely, 2^220452321 is an apocalyptic number.

It is an amenable number.

220452321 is a deficient number, since it is larger than the sum of its proper divisors (74488479).

220452321 is a wasteful number, since it uses less digits than its factorization.

220452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251095.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 220452321 is about 14847.6368826827. The cubic root of 220452321 is about 604.0945141411.

The spelling of 220452321 in words is "two hundred twenty million, four hundred fifty-two thousand, three hundred twenty-one".