220217201 has 8 divisors (see below), whose sum is σ = 245443680. Its totient is φ = 196354368.

The previous prime is 220217197. The next prime is 220217219. The reversal of 220217201 is 102712022.

220217201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220217201 - 2² = 220217197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220217201.

It is not an unprimeable number, because it can be changed into a prime (220214201) 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, 340571 + ... + 341216.

It is an arithmetic number, because the mean of its divisors is an integer number (30680460).

Almost surely, 2^220217201 is an apocalyptic number.

It is an amenable number.

220217201 is a deficient number, since it is larger than the sum of its proper divisors (25226479).

220217201 is a wasteful number, since it uses less digits than its factorization.

220217201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681823.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 220217201 is about 14839.7170121266. The cubic root of 220217201 is about 603.8796752039.

Adding to 220217201 its reverse (102712022), we get a palindrome (322929223).

The spelling of 220217201 in words is "two hundred twenty million, two hundred seventeen thousand, two hundred one".