Search a number
-
+
20882 = 253197

20882 has 8 divisors (see below), whose sum is σ = 32076. Its totient is φ = 10192.

The previous prime is 20879. The next prime is 20887. The reversal of 20882 is 28802.

20882 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 17161 + 3721 = 131^2 + 61^2 .

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

20882 is an undulating number in base 14.

It is not an unprimeable number, because it can be changed into a prime (20887) 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, 8 + ... + 204.

220882 is an apocalyptic number.

20882 is a deficient number, since it is larger than the sum of its proper divisors (11194).

20882 is a wasteful number, since it uses less digits than its factorization.

20882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20882 is about 144.5060552365. The cubic root of 20882 is about 27.5374695845.

Adding to 20882 its sum of digits (20), we get a palindrome (20902).

The spelling of 20882 in words is "twenty thousand, eight hundred eighty-two".

Divisors: 1 2 53 106 197 394 10441 20882