3001331220 has 96 divisors (see below), whose sum is σ = 8928662400. Its totient is φ = 751855104.

The previous prime is 3001331173. The next prime is 3001331231. The reversal of 3001331220 is 221331003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3001331220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41071 + ... + 87689.

It is an arithmetic number, because the mean of its divisors is an integer number (93006900).

Almost surely, 2^3001331220 is an apocalyptic number.

3001331220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3001331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464331200).

3001331220 is an abundant number, since it is smaller than the sum of its proper divisors (5927331180).

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

3001331220 is a wasteful number, since it uses less digits than its factorization.

3001331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46697 (or 46695 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3001331220 is about 54784.4067230813. The cubic root of 3001331220 is about 1442.4628667026.

Adding to 3001331220 its reverse (221331003), we get a palindrome (3222662223).

The spelling of 3001331220 in words is "three billion, one million, three hundred thirty-one thousand, two hundred twenty".