20226535 has 8 divisors (see below), whose sum is σ = 27739296. Its totient is φ = 13869600.

The previous prime is 20226529. The next prime is 20226587. The reversal of 20226535 is 53562202.

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

It is not a de Polignac number, because 20226535 - 2⁹ = 20226023 is a prime.

It is a super-2 number, since 2×20226535² = 818225436212450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288916 + ... + 288985.

It is an arithmetic number, because the mean of its divisors is an integer number (3467412).

Almost surely, 2^20226535 is an apocalyptic number.

20226535 is a deficient number, since it is larger than the sum of its proper divisors (7512761).

20226535 is an equidigital number, since it uses as much as digits as its factorization.

20226535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577913.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 20226535 is about 4497.3920220501. The cubic root of 20226535 is about 272.4627674069.

Adding to 20226535 its reverse (53562202), we get a palindrome (73788737).

The spelling of 20226535 in words is "twenty million, two hundred twenty-six thousand, five hundred thirty-five".