20482547 has 2 divisors, whose sum is σ = 20482548. Its totient is φ = 20482546.

The previous prime is 20482543. The next prime is 20482573. The reversal of 20482547 is 74528402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20482547 - 2² = 20482543 is a prime.

It is not a weakly prime, because it can be changed into another prime (20482541) 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 as a sum of consecutive naturals, namely, 10241273 + 10241274.

It is an arithmetic number, because the mean of its divisors is an integer number (10241274).

Almost surely, 2^20482547 is an apocalyptic number.

20482547 is a deficient number, since it is larger than the sum of its proper divisors (1).

20482547 is an equidigital number, since it uses as much as digits as its factorization.

20482547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 20482547 is about 4525.7647972470. The cubic root of 20482547 is about 273.6074929480.

The spelling of 20482547 in words is "twenty million, four hundred eighty-two thousand, five hundred forty-seven".