220123245 has 8 divisors (see below), whose sum is σ = 352197216. Its totient is φ = 117399056.

The previous prime is 220123229. The next prime is 220123247. The reversal of 220123245 is 542321022.

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 220123245 - 2⁴ = 220123229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123247) 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, 7337427 + ... + 7337456.

It is an arithmetic number, because the mean of its divisors is an integer number (44024652).

Almost surely, 2^220123245 is an apocalyptic number.

It is an amenable number.

220123245 is a deficient number, since it is larger than the sum of its proper divisors (132073971).

220123245 is a wasteful number, since it uses less digits than its factorization.

220123245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674891.

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

The square root of 220123245 is about 14836.5509806019. The cubic root of 220123245 is about 603.7937809298.

Adding to 220123245 its reverse (542321022), we get a palindrome (762444267).

The spelling of 220123245 in words is "two hundred twenty million, one hundred twenty-three thousand, two hundred forty-five".