20085130965536 has 96 divisors (see below), whose sum is σ = 48670619961600. Its totient is φ = 7945308527616.

The previous prime is 20085130965533. The next prime is 20085130965541. The reversal of 20085130965536 is 63556903158002.

It is not an unprimeable number, because it can be changed into a prime (20085130965533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52805990 + ... + 53184986.

It is an arithmetic number, because the mean of its divisors is an integer number (506985624600).

Almost surely, 2^{20085130965536} is an apocalyptic number.

20085130965536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20085130965536 is an abundant number, since it is smaller than the sum of its proper divisors (28585488996064).

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

20085130965536 is a wasteful number, since it uses less digits than its factorization.

20085130965536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397226 (or 397218 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 20085130965536 in words is "twenty trillion, eighty-five billion, one hundred thirty million, nine hundred sixty-five thousand, five hundred thirty-six".