20532282 has 8 divisors (see below), whose sum is σ = 41064576. Its totient is φ = 6844092.

The previous prime is 20532271. The next prime is 20532289. The reversal of 20532282 is 28223502.

It is a sphenic number, since it is the product of 3 distinct primes.

20532282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20532289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711018 + ... + 1711029.

It is an arithmetic number, because the mean of its divisors is an integer number (5133072).

Almost surely, 2^20532282 is an apocalyptic number.

20532282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20532282 is a wasteful number, since it uses less digits than its factorization.

20532282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422052.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20532282 is about 4531.2561172373. The cubic root of 20532282 is about 273.8287686426.

Adding to 20532282 its reverse (28223502), we get a palindrome (48755784).

The spelling of 20532282 in words is "twenty million, five hundred thirty-two thousand, two hundred eighty-two".