20354622336016 has 40 divisors (see below), whose sum is σ = 41774808734424. Its totient is φ = 9574539786240.

The previous prime is 20354622336011. The next prime is 20354622336019. The reversal of 20354622336016 is 61063322645302.

It can be written as a sum of positive squares in 4 ways, for example, as 2872021647616 + 17482600688400 = 1694704^2 + 4181220^2 .

It is not an unprimeable number, because it can be changed into a prime (20354622336011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15403395 + ... + 16672546.

Almost surely, 2^{20354622336016} is an apocalyptic number.

It is an amenable number.

20354622336016 is an abundant number, since it is smaller than the sum of its proper divisors (21420186398408).

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

20354622336016 is a wasteful number, since it uses less digits than its factorization.

20354622336016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078299 (or 32078293 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 20354622336016 in words is "twenty trillion, three hundred fifty-four billion, six hundred twenty-two million, three hundred thirty-six thousand, sixteen".