3220130320 has 160 divisors (see below), whose sum is σ = 8396784000. Its totient is φ = 1138544640.

The previous prime is 3220130273. The next prime is 3220130359. The reversal of 3220130320 is 230310223.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3220130294 and 3220130303.

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, 5658996 + ... + 5659564.

It is an arithmetic number, because the mean of its divisors is an integer number (52479900).

Almost surely, 2^3220130320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4198392000).

3220130320 is an abundant number, since it is smaller than the sum of its proper divisors (5176653680).

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

3220130320 is a wasteful number, since it uses less digits than its factorization.

3220130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3220130320 is about 56746.1921189431. The cubic root of 3220130320 is about 1476.6961730356.

Adding to 3220130320 its reverse (230310223), we get a palindrome (3450440543).

The spelling of 3220130320 in words is "three billion, two hundred twenty million, one hundred thirty thousand, three hundred twenty".