20013244005 has 24 divisors (see below), whose sum is σ = 32267907936. Its totient is φ = 10592115040.

The previous prime is 20013244003. The next prime is 20013244007. The reversal of 20013244005 is 50044231002.

It is an interprime number because it is at equal distance from previous prime (20013244003) and next prime (20013244007).

It is not a de Polignac number, because 20013244005 - 2¹ = 20013244003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013244003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218542 + ... + 296288.

It is an arithmetic number, because the mean of its divisors is an integer number (1344496164).

Almost surely, 2^20013244005 is an apocalyptic number.

It is an amenable number.

20013244005 is a deficient number, since it is larger than the sum of its proper divisors (12254663931).

20013244005 is an equidigital number, since it uses as much as digits as its factorization.

20013244005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78017 (or 77886 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20013244005 its reverse (50044231002), we get a palindrome (70057475007).

The spelling of 20013244005 in words is "twenty billion, thirteen million, two hundred forty-four thousand, five".