20126256127044 has 48 divisors (see below), whose sum is σ = 47638901614080. Its totient is φ = 6612542438400.

The previous prime is 20126256127007. The next prime is 20126256127099. The reversal of 20126256127044 is 44072165262102.

It is a junction number, because it is equal to n+sod(n) for n = 20126256126987 and 20126256127005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36962509 + ... + 37503060.

It is an arithmetic number, because the mean of its divisors is an integer number (992477116960).

Almost surely, 2^{20126256127044} is an apocalyptic number.

It is an amenable number.

20126256127044 is an abundant number, since it is smaller than the sum of its proper divisors (27512645487036).

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

20126256127044 is a wasteful number, since it uses less digits than its factorization.

20126256127044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74465900 (or 74465898 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 20126256127044 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, one hundred twenty-seven thousand, forty-four".