20052535 has 4 divisors (see below), whose sum is σ = 24063048. Its totient is φ = 16042024.

The previous prime is 20052521. The next prime is 20052541. The reversal of 20052535 is 53525002.

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 20052535 - 2⁷ = 20052407 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005249 + ... + 2005258.

It is an arithmetic number, because the mean of its divisors is an integer number (6015762).

Almost surely, 2^20052535 is an apocalyptic number.

20052535 is a deficient number, since it is larger than the sum of its proper divisors (4010513).

20052535 is an equidigital number, since it uses as much as digits as its factorization.

20052535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010512.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 20052535 is about 4478.0056945029. The cubic root of 20052535 is about 271.6792237453.

Adding to 20052535 its reverse (53525002), we get a palindrome (73577537).

The spelling of 20052535 in words is "twenty million, fifty-two thousand, five hundred thirty-five".