20134529 has 2 divisors, whose sum is σ = 20134530. Its totient is φ = 20134528.

The previous prime is 20134489. The next prime is 20134553. The reversal of 20134529 is 92543102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 906304 = 4385^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 20134529 - 2²⁰ = 19085953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20134498 and 20134507.

It is not a weakly prime, because it can be changed into another prime (20130529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067264 + 10067265.

It is an arithmetic number, because the mean of its divisors is an integer number (10067265).

Almost surely, 2^20134529 is an apocalyptic number.

It is an amenable number.

20134529 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134529 is an equidigital number, since it uses as much as digits as its factorization.

20134529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20134529 is about 4487.1515463599. The cubic root of 20134529 is about 272.0490152801.

The spelling of 20134529 in words is "twenty million, one hundred thirty-four thousand, five hundred twenty-nine".