20536329 has 8 divisors (see below), whose sum is σ = 29871072. Its totient is φ = 12446240.

The previous prime is 20536279. The next prime is 20536331. The reversal of 20536329 is 92363502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20536329 - 2⁹ = 20535817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20536296 and 20536305.

It is not an unprimeable number, because it can be changed into a prime (20536339) 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 in 7 ways as a sum of consecutive naturals, for example, 311124 + ... + 311189.

It is an arithmetic number, because the mean of its divisors is an integer number (3733884).

Almost surely, 2^20536329 is an apocalyptic number.

It is an amenable number.

20536329 is a deficient number, since it is larger than the sum of its proper divisors (9334743).

20536329 is a wasteful number, since it uses less digits than its factorization.

20536329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622327.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 20536329 is about 4531.7026601488. The cubic root of 20536329 is about 273.8467583985.

The spelling of 20536329 in words is "twenty million, five hundred thirty-six thousand, three hundred twenty-nine".