220927365449 has 8 divisors (see below), whose sum is σ = 259312429248. Its totient is φ = 184248304560.

The previous prime is 220927365437. The next prime is 220927365517. The reversal of 220927365449 is 944563729022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220927365449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220927365449.

It is not an unprimeable number, because it can be changed into a prime (220927365419) 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, 426500447 + ... + 426500964.

It is an arithmetic number, because the mean of its divisors is an integer number (32414053656).

Almost surely, 2^220927365449 is an apocalyptic number.

It is an amenable number.

220927365449 is a deficient number, since it is larger than the sum of its proper divisors (38385063799).

220927365449 is an equidigital number, since it uses as much as digits as its factorization.

220927365449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853001455.

The product of its (nonzero) digits is 6531840, while the sum is 53.

It can be divided in two parts, 2209273 and 65449, that added together give a palindrome (2274722).

The spelling of 220927365449 in words is "two hundred twenty billion, nine hundred twenty-seven million, three hundred sixty-five thousand, four hundred forty-nine".