20692127 has 2 divisors, whose sum is σ = 20692128. Its totient is φ = 20692126.

The previous prime is 20692093. The next prime is 20692141. The reversal of 20692127 is 72129602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20692127 - 2¹⁶ = 20626591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20692127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20692327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10346063 + 10346064.

It is an arithmetic number, because the mean of its divisors is an integer number (10346064).

Almost surely, 2^20692127 is an apocalyptic number.

20692127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20692127 is an equidigital number, since it uses as much as digits as its factorization.

20692127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20692127 is about 4548.8599670687. The cubic root of 20692127 is about 274.5375235006.

The spelling of 20692127 in words is "twenty million, six hundred ninety-two thousand, one hundred twenty-seven".