20134727 has 4 divisors (see below), whose sum is σ = 20161680. Its totient is φ = 20107776.

The previous prime is 20134711. The next prime is 20134733. The reversal of 20134727 is 72743102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20134727 - 2⁴ = 20134711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20134696 and 20134705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134747) 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, 12323 + ... + 13860.

It is an arithmetic number, because the mean of its divisors is an integer number (5040420).

Almost surely, 2^20134727 is an apocalyptic number.

20134727 is a deficient number, since it is larger than the sum of its proper divisors (26953).

20134727 is an equidigital number, since it uses as much as digits as its factorization.

20134727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20134727 is about 4487.1736093002. The cubic root of 20134727 is about 272.0499070405.

Adding to 20134727 its reverse (72743102), we get a palindrome (92877829).

The spelling of 20134727 in words is "twenty million, one hundred thirty-four thousand, seven hundred twenty-seven".