220201447 has 8 divisors (see below), whose sum is σ = 226306080. Its totient is φ = 214131840.

The previous prime is 220201441. The next prime is 220201477. The reversal of 220201447 is 744102022.

It is a happy number.

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 220201447 - 2¹⁵ = 220168679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (28288260).

Almost surely, 2^220201447 is an apocalyptic number.

220201447 is a deficient number, since it is larger than the sum of its proper divisors (6104633).

220201447 is a wasteful number, since it uses less digits than its factorization.

220201447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 220201447 is about 14839.1861973627. The cubic root of 220201447 is about 603.8652746526.

Adding to 220201447 its reverse (744102022), we get a palindrome (964303469).

The spelling of 220201447 in words is "two hundred twenty million, two hundred one thousand, four hundred forty-seven".