20085404082 has 8 divisors (see below), whose sum is σ = 40170808176. Its totient is φ = 6695134692.

The previous prime is 20085404077. The next prime is 20085404111. The reversal of 20085404082 is 28040458002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20085404082 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1673783668 + ... + 1673783679.

It is an arithmetic number, because the mean of its divisors is an integer number (5021351022).

Almost surely, 2^20085404082 is an apocalyptic number.

20085404082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20085404082 is a wasteful number, since it uses less digits than its factorization.

20085404082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347567352.

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 20085404082 in words is "twenty billion, eighty-five million, four hundred four thousand, eighty-two".