20024130013 has 4 divisors (see below), whose sum is σ = 20222388828. Its totient is φ = 19825871200.

The previous prime is 20024129999. The next prime is 20024130019. The reversal of 20024130013 is 31003142002.

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 14554492164 + 5469637849 = 120642^2 + 73957^2 .

It is a cyclic number.

It is not a de Polignac number, because 20024130013 - 2⁹ = 20024129501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024130019) 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, 99129256 + ... + 99129457.

It is an arithmetic number, because the mean of its divisors is an integer number (5055597207).

Almost surely, 2^20024130013 is an apocalyptic number.

It is an amenable number.

20024130013 is a deficient number, since it is larger than the sum of its proper divisors (198258815).

20024130013 is a wasteful number, since it uses less digits than its factorization.

20024130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198258814.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20024130013 its reverse (31003142002), we get a palindrome (51027272015).

The spelling of 20024130013 in words is "twenty billion, twenty-four million, one hundred thirty thousand, thirteen".