3201120220 has 24 divisors (see below), whose sum is σ = 7014629664. Its totient is φ = 1224776256.

The previous prime is 3201120203. The next prime is 3201120229. The reversal of 3201120220 is 220211023.

It is a self number, because there is not a number n which added to its sum of digits gives 3201120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201120229) 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, 3479019 + ... + 3479938.

It is an arithmetic number, because the mean of its divisors is an integer number (292276236).

Almost surely, 2^3201120220 is an apocalyptic number.

It is an amenable number.

3201120220 is an abundant number, since it is smaller than the sum of its proper divisors (3813509444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3201120220 is a wasteful number, since it uses less digits than its factorization.

3201120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958989 (or 6958987 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3201120220 is about 56578.4430680096. The cubic root of 3201120220 is about 1473.7845346349.

Adding to 3201120220 its reverse (220211023), we get a palindrome (3421331243).

The spelling of 3201120220 in words is "three billion, two hundred one million, one hundred twenty thousand, two hundred twenty".