2308220320 has 192 divisors, whose sum is σ = 6773760000. Its totient is φ = 725345280.

The previous prime is 2308220309. The next prime is 2308220357. The reversal of 2308220320 is 230228032.

It is a junction number, because it is equal to n+sod(n) for n = 2308220291 and 2308220300.

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, 657931 + ... + 661429.

It is an arithmetic number, because the mean of its divisors is an integer number (35280000).

Almost surely, 2^2308220320 is an apocalyptic number.

2308220320 is a gapful number since it is divisible by the number (20) 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 2308220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880000).

2308220320 is an abundant number, since it is smaller than the sum of its proper divisors (4465539680).

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

2308220320 is a wasteful number, since it uses less digits than its factorization.

2308220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2308220320 is about 48043.9415535403. The cubic root of 2308220320 is about 1321.5768422503.

Adding to 2308220320 its reverse (230228032), we get a palindrome (2538448352).

The spelling of 2308220320 in words is "two billion, three hundred eight million, two hundred twenty thousand, three hundred twenty".