220331201 has 4 divisors (see below), whose sum is σ = 231927600. Its totient is φ = 208734804.

The previous prime is 220331173. The next prime is 220331227. The reversal of 220331201 is 102133022.

It is a happy number.

220331201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220331201 - 2¹⁴ = 220314817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220331231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798171 + ... + 5798208.

It is an arithmetic number, because the mean of its divisors is an integer number (57981900).

Almost surely, 2^220331201 is an apocalyptic number.

It is an amenable number.

220331201 is a deficient number, since it is larger than the sum of its proper divisors (11596399).

220331201 is a wasteful number, since it uses less digits than its factorization.

220331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596398.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220331201 is about 14843.5575587526. The cubic root of 220331201 is about 603.9838608395.

Adding to 220331201 its reverse (102133022), we get a palindrome (322464223).

The spelling of 220331201 in words is "two hundred twenty million, three hundred thirty-one thousand, two hundred one".