20013055543127 has 4 divisors (see below), whose sum is σ = 20013065156400. Its totient is φ = 20013045929856.

The previous prime is 20013055543087. The next prime is 20013055543147. The reversal of 20013055543127 is 72134555031002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20013055543127 - 2⁸ = 20013055542871 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 (20013055543147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233738 + ... + 6330935.

It is an arithmetic number, because the mean of its divisors is an integer number (5003266289100).

Almost surely, 2^{20013055543127} is an apocalyptic number.

20013055543127 is a deficient number, since it is larger than the sum of its proper divisors (9613273).

20013055543127 is an equidigital number, since it uses as much as digits as its factorization.

20013055543127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613272.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 20013055543127 in words is "twenty trillion, thirteen billion, fifty-five million, five hundred forty-three thousand, one hundred twenty-seven".