20127852713 has 4 divisors (see below), whose sum is σ = 21002976768. Its totient is φ = 19252728660.

The previous prime is 20127852707. The next prime is 20127852727. The reversal of 20127852713 is 31725872102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31725872102 = 2 ⋅15862936051.

It is a cyclic number.

It is not a de Polignac number, because 20127852713 - 2¹⁴ = 20127836329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20127852733) 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 in 3 ways as a sum of consecutive naturals, for example, 437561993 + ... + 437562038.

It is an arithmetic number, because the mean of its divisors is an integer number (5250744192).

Almost surely, 2^20127852713 is an apocalyptic number.

20127852713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20127852713 is a deficient number, since it is larger than the sum of its proper divisors (875124055).

20127852713 is an equidigital number, since it uses as much as digits as its factorization.

20127852713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875124054.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 20127852713 in words is "twenty billion, one hundred twenty-seven million, eight hundred fifty-two thousand, seven hundred thirteen".