20126402341743 has 8 divisors (see below), whose sum is σ = 26835361001856. Its totient is φ = 13417522621400.

The previous prime is 20126402341723. The next prime is 20126402341753. The reversal of 20126402341743 is 34714320462102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20126402341743 - 2¹³ = 20126402333551 is a prime.

It is a super-2 number, since 2×20126402341743² (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 (20126402341723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19137453 + ... + 20161718.

It is an arithmetic number, because the mean of its divisors is an integer number (3354420125232).

Almost surely, 2^{20126402341743} is an apocalyptic number.

20126402341743 is a deficient number, since it is larger than the sum of its proper divisors (6708958660113).

20126402341743 is a wasteful number, since it uses less digits than its factorization.

20126402341743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39469885.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 20126402341743 in words is "twenty trillion, one hundred twenty-six billion, four hundred two million, three hundred forty-one thousand, seven hundred forty-three".