3220308420 has 72 divisors (see below), whose sum is σ = 10489014144. Its totient is φ = 736069824.

The previous prime is 3220308409. The next prime is 3220308433. The reversal of 3220308420 is 248030223.

3220308420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544732 + ... + 550611.

It is an arithmetic number, because the mean of its divisors is an integer number (145680752).

Almost surely, 2^3220308420 is an apocalyptic number.

3220308420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220308420 is an abundant number, since it is smaller than the sum of its proper divisors (7268705724).

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

3220308420 is a wasteful number, since it uses less digits than its factorization.

3220308420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095369 (or 1095360 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3220308420 is about 56747.7613655376. The cubic root of 3220308420 is about 1476.7233970622.

Adding to 3220308420 its reverse (248030223), we get a palindrome (3468338643).

The spelling of 3220308420 in words is "three billion, two hundred twenty million, three hundred eight thousand, four hundred twenty".