20327685042 has 16 divisors (see below), whose sum is σ = 46463280192. Its totient is φ = 5807910000.

The previous prime is 20327685019. The next prime is 20327685067. The reversal of 20327685042 is 24058672302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 241996209 + ... + 241996292.

It is an arithmetic number, because the mean of its divisors is an integer number (2903955012).

Almost surely, 2^20327685042 is an apocalyptic number.

20327685042 is an abundant number, since it is smaller than the sum of its proper divisors (26135595150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20327685042 is a wasteful number, since it uses less digits than its factorization.

20327685042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483992513.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 20327685042 in words is "twenty billion, three hundred twenty-seven million, six hundred eighty-five thousand, forty-two".