20344145211315 has 24 divisors (see below), whose sum is σ = 37337490036288. Its totient is φ = 10211963086080.

The previous prime is 20344145211307. The next prime is 20344145211347. The reversal of 20344145211315 is 51311254144302.

20344145211315 is a `hidden beast` number, since 2 + 0 + 34 + 41 + 452 + 1 + 131 + 5 = 666.

It is not a de Polignac number, because 20344145211315 - 2³ = 20344145211307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20344145211315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13296826171 + ... + 13296827700.

It is an arithmetic number, because the mean of its divisors is an integer number (1555728751512).

Almost surely, 2^{20344145211315} is an apocalyptic number.

20344145211315 is a deficient number, since it is larger than the sum of its proper divisors (16993344824973).

20344145211315 is a wasteful number, since it uses less digits than its factorization.

20344145211315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26593653899 (or 26593653896 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 20344145211315 its reverse (51311254144302), we get a palindrome (71655399355617).

The spelling of 20344145211315 in words is "twenty trillion, three hundred forty-four billion, one hundred forty-five million, two hundred eleven thousand, three hundred fifteen".