20486548 has 12 divisors (see below), whose sum is σ = 36614592. Its totient is φ = 10025240.

The previous prime is 20486539. The next prime is 20486551. The reversal of 20486548 is 84568402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54298 + ... + 54673.

It is an arithmetic number, because the mean of its divisors is an integer number (3051216).

Almost surely, 2^20486548 is an apocalyptic number.

It is an amenable number.

20486548 is a deficient number, since it is larger than the sum of its proper divisors (16128044).

20486548 is a wasteful number, since it uses less digits than its factorization.

20486548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109022 (or 109020 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 20486548 is about 4526.2068004014. The cubic root of 20486548 is about 273.6253070136.

The spelling of 20486548 in words is "twenty million, four hundred eighty-six thousand, five hundred forty-eight".