20482275 has 72 divisors (see below), whose sum is σ = 38855152. Its totient is φ = 9504000.

The previous prime is 20482237. The next prime is 20482279. The reversal of 20482275 is 57228402.

It is not a de Polignac number, because 20482275 - 2²⁰ = 19433699 is a prime.

It is a Duffinian number.

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 (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 335745 + ... + 335805.

Almost surely, 2^20482275 is an apocalyptic number.

20482275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20482275 is a deficient number, since it is larger than the sum of its proper divisors (18372877).

20482275 is a wasteful number, since it uses less digits than its factorization.

20482275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 20482275 is about 4525.7347469776. The cubic root of 20482275 is about 273.6062818100.

The spelling of 20482275 in words is "twenty million, four hundred eighty-two thousand, two hundred seventy-five".