20006555015796 has 12 divisors (see below), whose sum is σ = 46681961703552. Its totient is φ = 6668851671928.

The previous prime is 20006555015767. The next prime is 20006555015809. The reversal of 20006555015796 is 69751055560002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833606458980 + ... + 833606459003.

It is an arithmetic number, because the mean of its divisors is an integer number (3890163475296).

Almost surely, 2^{20006555015796} is an apocalyptic number.

It is an amenable number.

20006555015796 is an abundant number, since it is smaller than the sum of its proper divisors (26675406687756).

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

20006555015796 is a wasteful number, since it uses less digits than its factorization.

20006555015796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667212917990 (or 1667212917988 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 51.

The spelling of 20006555015796 in words is "twenty trillion, six billion, five hundred fifty-five million, fifteen thousand, seven hundred ninety-six".