20344145211126 has 96 divisors (see below), whose sum is σ = 50847995068416. Its totient is φ = 5820512112000.

The previous prime is 20344145211121. The next prime is 20344145211133. The reversal of 20344145211126 is 62111254144302.

20344145211126 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 4 + 1 + 4 + 521 + 1 + 126 = 666.

It is a super-2 number, since 2×20344145211126² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344145211121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 40168566 + ... + 40671881.

It is an arithmetic number, because the mean of its divisors is an integer number (529666615296).

Almost surely, 2^{20344145211126} is an apocalyptic number.

20344145211126 is an abundant number, since it is smaller than the sum of its proper divisors (30503849857290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344145211126 is a wasteful number, since it uses less digits than its factorization.

20344145211126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80840538 (or 80840535 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 20344145211126 its reverse (62111254144302), we get a palindrome (82455399355428).

The spelling of 20344145211126 in words is "twenty trillion, three hundred forty-four billion, one hundred forty-five million, two hundred eleven thousand, one hundred twenty-six".