20126334273445 has 32 divisors (see below), whose sum is σ = 25596060134400. Its totient is φ = 15139861103616.

The previous prime is 20126334273443. The next prime is 20126334273457. The reversal of 20126334273445 is 54437243362102.

It is a cyclic number.

It is not a de Polignac number, because 20126334273445 - 2¹ = 20126334273443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20126334273395 and 20126334273404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126334273443) 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, 596513386 + ... + 596547124.

It is an arithmetic number, because the mean of its divisors is an integer number (799876879200).

Almost surely, 2^{20126334273445} is an apocalyptic number.

It is an amenable number.

20126334273445 is a deficient number, since it is larger than the sum of its proper divisors (5469725860955).

20126334273445 is a wasteful number, since it uses less digits than its factorization.

20126334273445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40077.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 20126334273445 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty-four million, two hundred seventy-three thousand, four hundred forty-five".