3230421320 has 64 divisors (see below), whose sum is σ = 8362656000. Its totient is φ = 1100125440.

The previous prime is 3230421317. The next prime is 3230421329. The reversal of 3230421320 is 231240323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3230421292 and 3230421301.

It is not an unprimeable number, because it can be changed into a prime (3230421329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005 + ... + 80435.

It is an arithmetic number, because the mean of its divisors is an integer number (130666500).

Almost surely, 2^3230421320 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 3230421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181328000).

3230421320 is an abundant number, since it is smaller than the sum of its proper divisors (5132234680).

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

3230421320 is a wasteful number, since it uses less digits than its factorization.

3230421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77598 (or 77594 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3230421320 is about 56836.7954761702. The cubic root of 3230421320 is about 1478.2675918710.

Adding to 3230421320 its reverse (231240323), we get a palindrome (3461661643).

The spelling of 3230421320 in words is "three billion, two hundred thirty million, four hundred twenty-one thousand, three hundred twenty".