20085154176 has 64 divisors (see below), whose sum is σ = 53417012400. Its totient is φ = 6686791680.

The previous prime is 20085154153. The next prime is 20085154181. The reversal of 20085154176 is 67145158002.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 283410 + ... + 347118.

Almost surely, 2^20085154176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20085154176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26708506200).

20085154176 is an abundant number, since it is smaller than the sum of its proper divisors (33331858224).

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

20085154176 is an equidigital number, since it uses as much as digits as its factorization.

20085154176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64547 (or 64535 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 20085154176 in words is "twenty billion, eighty-five million, one hundred fifty-four thousand, one hundred seventy-six".