20134927 has 4 divisors (see below), whose sum is σ = 21194680. Its totient is φ = 19075176.

The previous prime is 20134921. The next prime is 20134931. The reversal of 20134927 is 72943102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72943102 = 2 ⋅36471551.

It is a cyclic number.

It is not a de Polignac number, because 20134927 - 2⁷ = 20134799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20134895 and 20134904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529848 + ... + 529885.

It is an arithmetic number, because the mean of its divisors is an integer number (5298670).

Almost surely, 2^20134927 is an apocalyptic number.

20134927 is a deficient number, since it is larger than the sum of its proper divisors (1059753).

20134927 is a wasteful number, since it uses less digits than its factorization.

20134927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059752.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20134927 is about 4487.1958949883. The cubic root of 20134927 is about 272.0508078027.

The spelling of 20134927 in words is "twenty million, one hundred thirty-four thousand, nine hundred twenty-seven".