20118814474527 has 12 divisors (see below), whose sum is σ = 29060570287840. Its totient is φ = 13412515063968.

The previous prime is 20118814474489. The next prime is 20118814474571. The reversal of 20118814474527 is 72547441881102.

It is a happy number.

20118814474527 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 8 + 8 + 1 + 44 + 74 + 527 = 666.

It is not a de Polignac number, because 20118814474527 - 2⁶ = 20118814474463 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 (20118814454527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2841498 + ... + 6950664.

Almost surely, 2^{20118814474527} is an apocalyptic number.

20118814474527 is a deficient number, since it is larger than the sum of its proper divisors (8941755813313).

20118814474527 is a wasteful number, since it uses less digits than its factorization.

20118814474527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653182 (or 4653179 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 54.

The spelling of 20118814474527 in words is "twenty trillion, one hundred eighteen billion, eight hundred fourteen million, four hundred seventy-four thousand, five hundred twenty-seven".