20126334253745 has 16 divisors (see below), whose sum is σ = 24267832193088. Its totient is φ = 16023637535040.

The previous prime is 20126334253723. The next prime is 20126334253789. The reversal of 20126334253745 is 54735243362102.

It is not a de Polignac number, because 20126334253745 - 2⁸ = 20126334253489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20126334253745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793886 + ... + 6393975.

It is an arithmetic number, because the mean of its divisors is an integer number (1516739512068).

Almost surely, 2^{20126334253745} is an apocalyptic number.

It is an amenable number.

20126334253745 is a deficient number, since it is larger than the sum of its proper divisors (4141497939343).

20126334253745 is a wasteful number, since it uses less digits than its factorization.

20126334253745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190560.

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 20126334253745 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty-four million, two hundred fifty-three thousand, seven hundred forty-five".