20483 has 2 divisors, whose sum is σ = 20484. Its totient is φ = 20482.

The previous prime is 20479. The next prime is 20507. The reversal of 20483 is 38402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20483 - 2² = 20479 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 0 + 4⁴ + 8³ + 3⁹ .

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (20443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10241 + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (10242).

2²⁰⁴⁸³ is an apocalyptic number.

20483 is the 77-th centered heptagonal number.

20483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20483 is an equidigital number, since it uses as much as digits as its factorization.

20483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20483 is about 143.1188317448. The cubic root of 20483 is about 27.3609510003.

Adding to 20483 its reverse (38402), we get a palindrome (58885).

The spelling of 20483 in words is "twenty thousand, four hundred eighty-three".