20126256413103 has 32 divisors (see below), whose sum is σ = 30395402198720. Its totient is φ = 13158382970880.

The previous prime is 20126256413093. The next prime is 20126256413161. The reversal of 20126256413103 is 30131465262102.

20126256413103 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 6 + 2 + 5 + 641 + 3 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 20126256413103 - 2⁴¹ = 17927233157551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126256413183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17575450 + ... + 18685527.

It is an arithmetic number, because the mean of its divisors is an integer number (949856318710).

Almost surely, 2^{20126256413103} is an apocalyptic number.

20126256413103 is a deficient number, since it is larger than the sum of its proper divisors (10269145785617).

20126256413103 is a wasteful number, since it uses less digits than its factorization.

20126256413103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36261384 (or 36261378 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20126256413103 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, four hundred thirteen thousand, one hundred three".