20126532 has 24 divisors (see below), whose sum is σ = 47664736. Its totient is φ = 6608448.

The previous prime is 20126527. The next prime is 20126563. The reversal of 20126532 is 23562102.

It is a junction number, because it is equal to n+sod(n) for n = 20126499 and 20126508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11713 + ... + 13320.

Almost surely, 2^20126532 is an apocalyptic number.

It is an amenable number.

20126532 is an abundant number, since it is smaller than the sum of its proper divisors (27538204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20126532 is a wasteful number, since it uses less digits than its factorization.

20126532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25107 (or 25105 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20126532 is about 4486.2603580265. The cubic root of 20126532 is about 272.0129931798.

Adding to 20126532 its reverse (23562102), we get a palindrome (43688634).

The spelling of 20126532 in words is "twenty million, one hundred twenty-six thousand, five hundred thirty-two".