20041024313 has 4 divisors (see below), whose sum is σ = 20187309300. Its totient is φ = 19894739328.

The previous prime is 20041024291. The next prime is 20041024327. The reversal of 20041024313 is 31342014002.

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 13288786729 + 6752237584 = 115277^2 + 82172^2 .

It is a cyclic number.

It is not a de Polignac number, because 20041024313 - 2³⁰ = 18967282489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20041024343) 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, 73142288 + ... + 73142561.

It is an arithmetic number, because the mean of its divisors is an integer number (5046827325).

Almost surely, 2^20041024313 is an apocalyptic number.

It is an amenable number.

20041024313 is a deficient number, since it is larger than the sum of its proper divisors (146284987).

20041024313 is a wasteful number, since it uses less digits than its factorization.

20041024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146284986.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20041024313 its reverse (31342014002), we get a palindrome (51383038315).

The spelling of 20041024313 in words is "twenty billion, forty-one million, twenty-four thousand, three hundred thirteen".