220404201 has 16 divisors (see below), whose sum is σ = 311480064. Its totient is φ = 138150144.

The previous prime is 220404187. The next prime is 220404209. The reversal of 220404201 is 102404022.

220404201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220404201 - 2⁵ = 220404169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220404209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71055 + ... + 74091.

It is an arithmetic number, because the mean of its divisors is an integer number (19467504).

Almost surely, 2^220404201 is an apocalyptic number.

It is an amenable number.

220404201 is a deficient number, since it is larger than the sum of its proper divisors (91075863).

220404201 is a wasteful number, since it uses less digits than its factorization.

220404201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220404201 is about 14846.0163343572. The cubic root of 220404201 is about 604.0505573296.

Adding to 220404201 its reverse (102404022), we get a palindrome (322808223).

The spelling of 220404201 in words is "two hundred twenty million, four hundred four thousand, two hundred one".