20482479 has 6 divisors (see below), whose sum is σ = 29585816. Its totient is φ = 13654980.

The previous prime is 20482463. The next prime is 20482481. The reversal of 20482479 is 97428402.

It is not a de Polignac number, because 20482479 - 2⁴ = 20482463 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1137907 + ... + 1137924.

Almost surely, 2^20482479 is an apocalyptic number.

20482479 is a deficient number, since it is larger than the sum of its proper divisors (9103337).

20482479 is a wasteful number, since it uses less digits than its factorization.

20482479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275837 (or 2275834 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20482479 is about 4525.7572846983. The cubic root of 20482479 is about 273.6071901645.

The spelling of 20482479 in words is "twenty million, four hundred eighty-two thousand, four hundred seventy-nine".