20301244013 has 24 divisors (see below), whose sum is σ = 22705877880. Its totient is φ = 18116259840.

The previous prime is 20301244001. The next prime is 20301244021. The reversal of 20301244013 is 31044210302.

It can be written as a sum of positive squares in 4 ways, for example, as 5822569 + 20295421444 = 2413^2 + 142462^2 .

It is not a de Polignac number, because 20301244013 - 2¹⁶ = 20301178477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301244063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405581 + ... + 452877.

It is an arithmetic number, because the mean of its divisors is an integer number (946078245).

Almost surely, 2^20301244013 is an apocalyptic number.

It is an amenable number.

20301244013 is a deficient number, since it is larger than the sum of its proper divisors (2404633867).

20301244013 is a wasteful number, since it uses less digits than its factorization.

20301244013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47405 (or 47386 counting only the distinct ones).

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

Adding to 20301244013 its reverse (31044210302), we get a palindrome (51345454315).

The spelling of 20301244013 in words is "twenty billion, three hundred one million, two hundred forty-four thousand, thirteen".