20053235 has 4 divisors (see below), whose sum is σ = 24063888. Its totient is φ = 16042584.

The previous prime is 20053211. The next prime is 20053237. The reversal of 20053235 is 53235002.

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 20053235 - 2¹⁰ = 20052211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20053237) 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, 2005319 + ... + 2005328.

It is an arithmetic number, because the mean of its divisors is an integer number (6015972).

Almost surely, 2^20053235 is an apocalyptic number.

20053235 is a deficient number, since it is larger than the sum of its proper divisors (4010653).

20053235 is an equidigital number, since it uses as much as digits as its factorization.

20053235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010652.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 20053235 is about 4478.0838536142. The cubic root of 20053235 is about 271.6823849956.

Adding to 20053235 its reverse (53235002), we get a palindrome (73288237).

It can be divided in two parts, 200 and 53235, that added together give a palindrome (53435).

The spelling of 20053235 in words is "twenty million, fifty-three thousand, two hundred thirty-five".