20555760548 has 12 divisors (see below), whose sum is σ = 35973584640. Its totient is φ = 10277593512.

The previous prime is 20555760517. The next prime is 20555760557. The reversal of 20555760548 is 84506755502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 247265 + ... + 319767.

It is an arithmetic number, because the mean of its divisors is an integer number (2997798720).

Almost surely, 2^20555760548 is an apocalyptic number.

It is an amenable number.

20555760548 is a deficient number, since it is larger than the sum of its proper divisors (15417824092).

20555760548 is a wasteful number, since it uses less digits than its factorization.

20555760548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143386 (or 143384 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 20555760548 in words is "twenty billion, five hundred fifty-five million, seven hundred sixty thousand, five hundred forty-eight".