20836252 has 36 divisors (see below), whose sum is σ = 39174520. Its totient is φ = 9690912.

The previous prime is 20836223. The next prime is 20836253. The reversal of 20836252 is 25263802.

It is a self number, because there is not a number n which added to its sum of digits gives 20836252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20836253) 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 11 ways as a sum of consecutive naturals, for example, 90874 + ... + 91102.

Almost surely, 2^20836252 is an apocalyptic number.

It is an amenable number.

20836252 is a deficient number, since it is larger than the sum of its proper divisors (18338268).

20836252 is a wasteful number, since it uses less digits than its factorization.

20836252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20836252 is about 4564.6743585934. The cubic root of 20836252 is about 275.1734531079.

The spelling of 20836252 in words is "twenty million, eight hundred thirty-six thousand, two hundred fifty-two".