220332101 has 4 divisors (see below), whose sum is σ = 240362304. Its totient is φ = 200301900.

The previous prime is 220332059. The next prime is 220332107. The reversal of 220332101 is 101233022.

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 220332101 - 2¹⁰ = 220331077 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 (220332107) 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, 10015085 + ... + 10015106.

It is an arithmetic number, because the mean of its divisors is an integer number (60090576).

Almost surely, 2^220332101 is an apocalyptic number.

It is an amenable number.

220332101 is a deficient number, since it is larger than the sum of its proper divisors (20030203).

220332101 is a wasteful number, since it uses less digits than its factorization.

220332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030202.

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

The square root of 220332101 is about 14843.5878749041. The cubic root of 220332101 is about 603.9846832146.

Adding to 220332101 its reverse (101233022), we get a palindrome (321565123).

The spelling of 220332101 in words is "two hundred twenty million, three hundred thirty-two thousand, one hundred one".