20503482 has 16 divisors (see below), whose sum is σ = 41065920. Its totient is φ = 6824672.

The previous prime is 20503481. The next prime is 20503501. The reversal of 20503482 is 28430502.

It is not an unprimeable number, because it can be changed into a prime (20503481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 7070.

It is an arithmetic number, because the mean of its divisors is an integer number (2566620).

Almost surely, 2^20503482 is an apocalyptic number.

20503482 is an abundant number, since it is smaller than the sum of its proper divisors (20562438).

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

20503482 is a wasteful number, since it uses less digits than its factorization.

20503482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917.

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

The square root of 20503482 is about 4528.0770753157. The cubic root of 20503482 is about 273.7006783393.

Adding to 20503482 its reverse (28430502), we get a palindrome (48933984).

The spelling of 20503482 in words is "twenty million, five hundred three thousand, four hundred eighty-two".