320025050105 has 8 divisors (see below), whose sum is σ = 384149752200. Its totient is φ = 255940245376.

The previous prime is 320025050101. The next prime is 320025050131. The reversal of 320025050105 is 501050520023.

It can be written as a sum of positive squares in 4 ways, for example, as 28747880704 + 291277169401 = 169552^2 + 539701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320025050105 - 2² = 320025050101 is a prime.

It is a super-2 number, since 2×320025050105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320025050101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956690 + ... + 9988779.

It is an arithmetic number, because the mean of its divisors is an integer number (48018719025).

Almost surely, 2^320025050105 is an apocalyptic number.

It is an amenable number.

320025050105 is a deficient number, since it is larger than the sum of its proper divisors (64124702095).

320025050105 is a wasteful number, since it uses less digits than its factorization.

320025050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948683.

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 320025050105 its reverse (501050520023), we get a palindrome (821075570128).

The spelling of 320025050105 in words is "three hundred twenty billion, twenty-five million, fifty thousand, one hundred five".