20055501170016 has 48 divisors (see below), whose sum is σ = 56695359080304. Its totient is φ = 6170923436544.

The previous prime is 20055501169931. The next prime is 20055501170189. The reversal of 20055501170016 is 61007110555002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 8035055311 + ... + 8035057806.

It is an arithmetic number, because the mean of its divisors is an integer number (1181153314173).

Almost surely, 2^{20055501170016} is an apocalyptic number.

20055501170016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20055501170016 is an abundant number, since it is smaller than the sum of its proper divisors (36639857910288).

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

20055501170016 is a wasteful number, since it uses less digits than its factorization.

20055501170016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16070113143 (or 16070113135 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 20055501170016 in words is "twenty trillion, fifty-five billion, five hundred one million, one hundred seventy thousand, sixteen".