220032101 has 4 divisors (see below), whose sum is σ = 220070400. Its totient is φ = 219993804.

The previous prime is 220032091. The next prime is 220032133. The reversal of 220032101 is 101230022.

It is a happy number.

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 220032101 - 2²⁶ = 152923237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220032151) 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, 8591 + ... + 22668.

It is an arithmetic number, because the mean of its divisors is an integer number (55017600).

Almost surely, 2^220032101 is an apocalyptic number.

It is an amenable number.

220032101 is a deficient number, since it is larger than the sum of its proper divisors (38299).

220032101 is an equidigital number, since it uses as much as digits as its factorization.

220032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38298.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220032101 is about 14833.4790592093. The cubic root of 220032101 is about 603.7104340187.

Adding to 220032101 its reverse (101230022), we get a palindrome (321262123).

The spelling of 220032101 in words is "two hundred twenty million, thirty-two thousand, one hundred one".