20126402341744 has 20 divisors (see below), whose sum is σ = 41047267934440. Its totient is φ = 9533559003840.

The previous prime is 20126402341723. The next prime is 20126402341753. The reversal of 20126402341744 is 44714320462102.

It is a junction number, because it is equal to n+sod(n) for n = 20126402341697 and 20126402341706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33102635127 + ... + 33102635734.

It is an arithmetic number, because the mean of its divisors is an integer number (2052363396722).

Almost surely, 2^{20126402341744} is an apocalyptic number.

It is an amenable number.

20126402341744 is an abundant number, since it is smaller than the sum of its proper divisors (20920865592696).

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

20126402341744 is a wasteful number, since it uses less digits than its factorization.

20126402341744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66205270888 (or 66205270882 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 20126402341744 in words is "twenty trillion, one hundred twenty-six billion, four hundred two million, three hundred forty-one thousand, seven hundred forty-four".