20127639483 has 128 divisors (see below), whose sum is σ = 36061184000. Its totient is φ = 10854518400.

The previous prime is 20127639451. The next prime is 20127639559. The reversal of 20127639483 is 38493672102.

20127639483 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 7 + 639 + 4 + 8 + 3 = 666.

It is not a de Polignac number, because 20127639483 - 2⁵ = 20127639451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20127639083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71122260 + ... + 71122542.

It is an arithmetic number, because the mean of its divisors is an integer number (281728000).

Almost surely, 2^20127639483 is an apocalyptic number.

20127639483 is a deficient number, since it is larger than the sum of its proper divisors (15933544517).

20127639483 is a wasteful number, since it uses less digits than its factorization.

20127639483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 20127639483 in words is "twenty billion, one hundred twenty-seven million, six hundred thirty-nine thousand, four hundred eighty-three".