220693297 has 8 divisors (see below), whose sum is σ = 241305120. Its totient is φ = 200172960.

The previous prime is 220693289. The next prime is 220693301. The reversal of 220693297 is 792396022.

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 220693297 - 2³ = 220693289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220693097) by changing a digit.

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, 17772 + ... + 27517.

It is an arithmetic number, because the mean of its divisors is an integer number (30163140).

Almost surely, 2^220693297 is an apocalyptic number.

It is an amenable number.

220693297 is a deficient number, since it is larger than the sum of its proper divisors (20611823).

220693297 is a wasteful number, since it uses less digits than its factorization.

220693297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45743.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 220693297 is about 14855.7496276694. The cubic root of 220693297 is about 604.3145454984.

The spelling of 220693297 in words is "two hundred twenty million, six hundred ninety-three thousand, two hundred ninety-seven".