3200055320 has 256 divisors, whose sum is σ = 9455616000. Its totient is φ = 945077760.

The previous prime is 3200055311. The next prime is 3200055323. The reversal of 3200055320 is 235500023.

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 = 3200055292 and 3200055301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200055323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14097047 + ... + 14097273.

It is an arithmetic number, because the mean of its divisors is an integer number (36936000).

Almost surely, 2^3200055320 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 3200055320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4727808000).

3200055320 is an abundant number, since it is smaller than the sum of its proper divisors (6255560680).

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

3200055320 is a wasteful number, since it uses less digits than its factorization.

3200055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3200055320 is about 56569.0314571498. The cubic root of 3200055320 is about 1473.6210910998.

Adding to 3200055320 its reverse (235500023), we get a palindrome (3435555343).

The spelling of 3200055320 in words is "three billion, two hundred million, fifty-five thousand, three hundred twenty".