20482982 has 8 divisors (see below), whose sum is σ = 33087936. Its totient is φ = 9453672.

The previous prime is 20482981. The next prime is 20483009. The reversal of 20482982 is 28928402.

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

It is a super-2 number, since 2×20482982² = 839105103224648, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482981) 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, 393878 + ... + 393929.

It is an arithmetic number, because the mean of its divisors is an integer number (4135992).

Almost surely, 2^20482982 is an apocalyptic number.

20482982 is a deficient number, since it is larger than the sum of its proper divisors (12604954).

20482982 is a wasteful number, since it uses less digits than its factorization.

20482982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787822.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 20482982 is about 4525.8128551676. The cubic root of 20482982 is about 273.6094298558.

The spelling of 20482982 in words is "twenty million, four hundred eighty-two thousand, nine hundred eighty-two".