20320025313041 has 4 divisors (see below), whose sum is σ = 20437482106932. Its totient is φ = 20202568519152.

The previous prime is 20320025312963. The next prime is 20320025313043. The reversal of 20320025313041 is 14031352002302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17535332125441 + 2784693187600 = 4187521^2 + 1668740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20320025313041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20320025313041.

It is not an unprimeable number, because it can be changed into a prime (20320025313043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58728396686 + ... + 58728397031.

It is an arithmetic number, because the mean of its divisors is an integer number (5109370526733).

Almost surely, 2^{20320025313041} is an apocalyptic number.

It is an amenable number.

20320025313041 is a deficient number, since it is larger than the sum of its proper divisors (117456793891).

20320025313041 is a wasteful number, since it uses less digits than its factorization.

20320025313041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117456793890.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20320025313041 its reverse (14031352002302), we get a palindrome (34351377315343).

The spelling of 20320025313041 in words is "twenty trillion, three hundred twenty billion, twenty-five million, three hundred thirteen thousand, forty-one".