220032201 has 4 divisors (see below), whose sum is σ = 293376272. Its totient is φ = 146688132.

The previous prime is 220032167. The next prime is 220032209. The reversal of 220032201 is 102230022.

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 not a de Polignac number, because 220032201 - 2⁹ = 220031689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220032209) 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, 36672031 + ... + 36672036.

It is an arithmetic number, because the mean of its divisors is an integer number (73344068).

Almost surely, 2^220032201 is an apocalyptic number.

It is an amenable number.

220032201 is a deficient number, since it is larger than the sum of its proper divisors (73344071).

220032201 is an equidigital number, since it uses as much as digits as its factorization.

220032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73344070.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220032201 is about 14833.4824299623. The cubic root of 220032201 is about 603.7105254766.

Adding to 220032201 its reverse (102230022), we get a palindrome (322262223).

The spelling of 220032201 in words is "two hundred twenty million, thirty-two thousand, two hundred one".