20524132 has 12 divisors (see below), whose sum is σ = 35972860. Its totient is φ = 10246176.

The previous prime is 20524129. The next prime is 20524187. The reversal of 20524132 is 23142502.

It can be written as a sum of positive squares in 2 ways, for example, as 7750656 + 12773476 = 2784^2 + 3574^2 .

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 3 ways as a sum of consecutive naturals, for example, 783 + ... + 6454.

Almost surely, 2^20524132 is an apocalyptic number.

It is an amenable number.

20524132 is a deficient number, since it is larger than the sum of its proper divisors (15448728).

20524132 is a wasteful number, since it uses less digits than its factorization.

20524132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950 (or 7948 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20524132 is about 4530.3567188468. The cubic root of 20524132 is about 273.7925330241.

Adding to 20524132 its reverse (23142502), we get a palindrome (43666634).

The spelling of 20524132 in words is "twenty million, five hundred twenty-four thousand, one hundred thirty-two".