20127246713131 has 2 divisors, whose sum is σ = 20127246713132. Its totient is φ = 20127246713130.

The previous prime is 20127246713081. The next prime is 20127246713159. The reversal of 20127246713131 is 13131764272102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20127246713131 - 2²⁵ = 20127213158699 is a prime.

It is a super-2 number, since 2×20127246713131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20127246723131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063623356565 + 10063623356566.

It is an arithmetic number, because the mean of its divisors is an integer number (10063623356566).

Almost surely, 2^{20127246713131} is an apocalyptic number.

20127246713131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20127246713131 is an equidigital number, since it uses as much as digits as its factorization.

20127246713131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 20127246713131 in words is "twenty trillion, one hundred twenty-seven billion, two hundred forty-six million, seven hundred thirteen thousand, one hundred thirty-one".