20344005624513 has 8 divisors (see below), whose sum is σ = 27133066662976. Its totient is φ = 13558807501200.

The previous prime is 20344005624499. The next prime is 20344005624559. The reversal of 20344005624513 is 31542650044302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20344005624513 - 2¹³ = 20344005616321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344005624713) 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 7 ways as a sum of consecutive naturals, for example, 965716498 + ... + 965737563.

It is an arithmetic number, because the mean of its divisors is an integer number (3391633332872).

Almost surely, 2^{20344005624513} is an apocalyptic number.

It is an amenable number.

20344005624513 is a deficient number, since it is larger than the sum of its proper divisors (6789061038463).

20344005624513 is a wasteful number, since it uses less digits than its factorization.

20344005624513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931457575.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20344005624513 its reverse (31542650044302), we get a palindrome (51886655668815).

The spelling of 20344005624513 in words is "twenty trillion, three hundred forty-four billion, five million, six hundred twenty-four thousand, five hundred thirteen".