20344150124515 has 12 divisors (see below), whose sum is σ = 28398772827216. Its totient is φ = 13950274370928.

The previous prime is 20344150124513. The next prime is 20344150124521. The reversal of 20344150124515 is 51542105144302.

It is not a de Polignac number, because 20344150124515 - 2¹ = 20344150124513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344150124513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41518673479 + ... + 41518673968.

It is an arithmetic number, because the mean of its divisors is an integer number (2366564402268).

Almost surely, 2^{20344150124515} is an apocalyptic number.

20344150124515 is a deficient number, since it is larger than the sum of its proper divisors (8054622702701).

20344150124515 is an equidigital number, since it uses as much as digits as its factorization.

20344150124515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83037347466 (or 83037347459 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 20344150124515 its reverse (51542105144302), we get a palindrome (71886255268817).

The spelling of 20344150124515 in words is "twenty trillion, three hundred forty-four billion, one hundred fifty million, one hundred twenty-four thousand, five hundred fifteen".