220441654321 has 8 divisors (see below), whose sum is σ = 251936263040. Its totient is φ = 188947781568.

The previous prime is 220441654309. The next prime is 220441654361. The reversal of 220441654321 is 123456144022.

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

It is not a de Polignac number, because 220441654321 - 2¹¹ = 220441652273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220441654361) 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, 831580 + ... + 1064146.

It is an arithmetic number, because the mean of its divisors is an integer number (31492032880).

Almost surely, 2^220441654321 is an apocalyptic number.

It is an amenable number.

220441654321 is a deficient number, since it is larger than the sum of its proper divisors (31494608719).

220441654321 is a wasteful number, since it uses less digits than its factorization.

220441654321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367983.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 220441654321 its reverse (123456144022), we get a palindrome (343897798343).

The spelling of 220441654321 in words is "two hundred twenty billion, four hundred forty-one million, six hundred fifty-four thousand, three hundred twenty-one".