3012032220 has 48 divisors (see below), whose sum is σ = 8724512160. Its totient is φ = 775511296.

The previous prime is 3012032213. The next prime is 3012032279. The reversal of 3012032220 is 222302103.

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 3012032220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863787 + ... + 867266.

It is an arithmetic number, because the mean of its divisors is an integer number (181760670).

Almost surely, 2^3012032220 is an apocalyptic number.

3012032220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3012032220 is an abundant number, since it is smaller than the sum of its proper divisors (5712479940).

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

3012032220 is a wasteful number, since it uses less digits than its factorization.

3012032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731094 (or 1731092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3012032220 is about 54881.9844757822. The cubic root of 3012032220 is about 1444.1751609300.

Adding to 3012032220 its reverse (222302103), we get a palindrome (3234334323).

The spelling of 3012032220 in words is "three billion, twelve million, thirty-two thousand, two hundred twenty".