20115325315244 has 24 divisors (see below), whose sum is σ = 35225623230000. Its totient is φ = 10050863042880.

The previous prime is 20115325315237. The next prime is 20115325315303. The reversal of 20115325315244 is 44251352351102.

It is a super-2 number, since 2×20115325315244² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20115325315198 and 20115325315207.

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 7 ways as a sum of consecutive naturals, for example, 54522107 + ... + 54889805.

It is an arithmetic number, because the mean of its divisors is an integer number (1467734301250).

Almost surely, 2^{20115325315244} is an apocalyptic number.

It is an amenable number.

20115325315244 is a deficient number, since it is larger than the sum of its proper divisors (15110297914756).

20115325315244 is a wasteful number, since it uses less digits than its factorization.

20115325315244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376913 (or 376911 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 20115325315244 its reverse (44251352351102), we get a palindrome (64366677666346).

The spelling of 20115325315244 in words is "twenty trillion, one hundred fifteen billion, three hundred twenty-five million, three hundred fifteen thousand, two hundred forty-four".