20136423042055 has 8 divisors (see below), whose sum is σ = 24494717344752. Its totient is φ = 15888465304128.

The previous prime is 20136423042053. The next prime is 20136423042059. The reversal of 20136423042055 is 55024032463102.

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 20136423042055 - 2¹ = 20136423042053 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 (20136423042053) 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, 27584140789 + ... + 27584141518.

It is an arithmetic number, because the mean of its divisors is an integer number (3061839668094).

Almost surely, 2^{20136423042055} is an apocalyptic number.

20136423042055 is a deficient number, since it is larger than the sum of its proper divisors (4358294302697).

20136423042055 is an equidigital number, since it uses as much as digits as its factorization.

20136423042055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55168282385.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 20136423042055 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-three million, forty-two thousand, fifty-five".