3220120173 has 8 divisors (see below), whose sum is σ = 4293772000. Its totient is φ = 2146607568.

The previous prime is 3220120159. The next prime is 3220120177. The reversal of 3220120173 is 3710210223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3220120173 - 2⁴ = 3220120157 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 (3220120177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45903 + ... + 92451.

It is an arithmetic number, because the mean of its divisors is an integer number (536721500).

Almost surely, 2^3220120173 is an apocalyptic number.

It is an amenable number.

3220120173 is a deficient number, since it is larger than the sum of its proper divisors (1073651827).

3220120173 is a wasteful number, since it uses less digits than its factorization.

3220120173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69611.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3220120173 is about 56746.1027119925. The cubic root of 3220120173 is about 1476.6946219543.

Adding to 3220120173 its reverse (3710210223), we get a palindrome (6930330396).

The spelling of 3220120173 in words is "three billion, two hundred twenty million, one hundred twenty thousand, one hundred seventy-three".