3201234320 has 20 divisors (see below), whose sum is σ = 7442869980. Its totient is φ = 1280493696.

The previous prime is 3201234271. The next prime is 3201234371. The reversal of 3201234320 is 234321023.

It can be written as a sum of positive squares in 2 ways, for example, as 1982386576 + 1218847744 = 44524^2 + 34912^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 = 3201234292 and 3201234301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20007635 + ... + 20007794.

It is an arithmetic number, because the mean of its divisors is an integer number (372143499).

Almost surely, 2^3201234320 is an apocalyptic number.

It is an amenable number.

3201234320 is an abundant number, since it is smaller than the sum of its proper divisors (4241635660).

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

3201234320 is a wasteful number, since it uses less digits than its factorization.

3201234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40015442 (or 40015436 counting only the distinct ones).

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

The square root of 3201234320 is about 56579.4513935934. The cubic root of 3201234320 is about 1473.8020448403.

Adding to 3201234320 its reverse (234321023), we get a palindrome (3435555343).

The spelling of 3201234320 in words is "three billion, two hundred one million, two hundred thirty-four thousand, three hundred twenty".