20126452 has 12 divisors (see below), whose sum is σ = 35499520. Its totient is φ = 9983736.

The previous prime is 20126437. The next prime is 20126459. The reversal of 20126452 is 25462102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19302 + ... + 20317.

Almost surely, 2^20126452 is an apocalyptic number.

It is an amenable number.

20126452 is a deficient number, since it is larger than the sum of its proper divisors (15373068).

20126452 is a wasteful number, since it uses less digits than its factorization.

20126452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39750 (or 39748 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20126452 is about 4486.2514419056. The cubic root of 20126452 is about 272.0126327754.

Adding to 20126452 its reverse (25462102), we get a palindrome (45588554).

It can be divided in two parts, 2012 and 6452, that added together give a square (8464 = 92²).

The spelling of 20126452 in words is "twenty million, one hundred twenty-six thousand, four hundred fifty-two".