20526132 has 24 divisors (see below), whose sum is σ = 52248672. Its totient is φ = 6220000.

The previous prime is 20526071. The next prime is 20526151. The reversal of 20526132 is 23162502.

It is a junction number, because it is equal to n+sod(n) for n = 20526099 and 20526108.

It is a congruent number.

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, 77619 + ... + 77882.

It is an arithmetic number, because the mean of its divisors is an integer number (2177028).

Almost surely, 2^20526132 is an apocalyptic number.

20526132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20526132 is an abundant number, since it is smaller than the sum of its proper divisors (31722540).

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

20526132 is a wasteful number, since it uses less digits than its factorization.

20526132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155519 (or 155517 counting only the distinct ones).

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

The square root of 20526132 is about 4530.5774466397. The cubic root of 20526132 is about 273.8014260885.

Adding to 20526132 its reverse (23162502), we get a palindrome (43688634).

The spelling of 20526132 in words is "twenty million, five hundred twenty-six thousand, one hundred thirty-two".