20225535 has 16 divisors (see below), whose sum is σ = 35303040. Its totient is φ = 9806240.

The previous prime is 20225521. The next prime is 20225539. The reversal of 20225535 is 53552202.

It is not a de Polignac number, because 20225535 - 2⁵ = 20225503 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61125 + ... + 61454.

It is an arithmetic number, because the mean of its divisors is an integer number (2206440).

Almost surely, 2^20225535 is an apocalyptic number.

20225535 is a deficient number, since it is larger than the sum of its proper divisors (15077505).

20225535 is a wasteful number, since it uses less digits than its factorization.

20225535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122598.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 20225535 is about 4497.2808451330. The cubic root of 20225535 is about 272.4582771460.

Adding to 20225535 its reverse (53552202), we get a palindrome (73777737).

It can be divided in two parts, 2022 and 5535, that added together give a palindrome (7557).

The spelling of 20225535 in words is "twenty million, two hundred twenty-five thousand, five hundred thirty-five".