20485541027 has 32 divisors (see below), whose sum is σ = 24289843200. Its totient is φ = 16911151488.

The previous prime is 20485541017. The next prime is 20485541047. The reversal of 20485541027 is 72014558402.

It is not a de Polignac number, because 20485541027 - 2¹⁰ = 20485540003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20485541017) 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 in 31 ways as a sum of consecutive naturals, for example, 16667849 + ... + 16669077.

It is an arithmetic number, because the mean of its divisors is an integer number (759057600).

Almost surely, 2^20485541027 is an apocalyptic number.

20485541027 is a deficient number, since it is larger than the sum of its proper divisors (3804302173).

20485541027 is a wasteful number, since it uses less digits than its factorization.

20485541027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 20485541027 in words is "twenty billion, four hundred eighty-five million, five hundred forty-one thousand, twenty-seven".