20126524 has 12 divisors (see below), whose sum is σ = 38423448. Its totient is φ = 9148400.

The previous prime is 20126507. The next prime is 20126527. The reversal of 20126524 is 42562102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20126495 and 20126504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126527) 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, 228667 + ... + 228754.

It is an arithmetic number, because the mean of its divisors is an integer number (3201954).

Almost surely, 2^20126524 is an apocalyptic number.

It is an amenable number.

20126524 is a deficient number, since it is larger than the sum of its proper divisors (18296924).

20126524 is a wasteful number, since it uses less digits than its factorization.

20126524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457436 (or 457434 counting only the distinct ones).

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

The square root of 20126524 is about 4486.2594664152. The cubic root of 20126524 is about 272.0129571394.

Adding to 20126524 its reverse (42562102), we get a palindrome (62688626).

The spelling of 20126524 in words is "twenty million, one hundred twenty-six thousand, five hundred twenty-four".