20535027 has 4 divisors (see below), whose sum is σ = 27380040. Its totient is φ = 13690016.

The previous prime is 20535013. The next prime is 20535043. The reversal of 20535027 is 72053502.

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 20535027 - 2¹² = 20530931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20534988 and 20535006.

It is not an unprimeable number, because it can be changed into a prime (20535227) 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, 3422502 + ... + 3422507.

It is an arithmetic number, because the mean of its divisors is an integer number (6845010).

Almost surely, 2^20535027 is an apocalyptic number.

20535027 is a deficient number, since it is larger than the sum of its proper divisors (6845013).

20535027 is an equidigital number, since it uses as much as digits as its factorization.

20535027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845012.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 20535027 is about 4531.5590032570. The cubic root of 20535027 is about 273.8409709959.

Adding to 20535027 its reverse (72053502), we get a palindrome (92588529).

The spelling of 20535027 in words is "twenty million, five hundred thirty-five thousand, twenty-seven".