20354622336104 has 64 divisors (see below), whose sum is σ = 44156922163200. Its totient is φ = 8615503134144.

The previous prime is 20354622336073. The next prime is 20354622336121. The reversal of 20354622336104 is 40163322645302.

It is an unprimeable number.

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, 13600049 + ... + 15022335.

It is an arithmetic number, because the mean of its divisors is an integer number (689951908800).

Almost surely, 2^{20354622336104} 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 20354622336104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22078461081600).

20354622336104 is an abundant number, since it is smaller than the sum of its proper divisors (23802299827096).

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

20354622336104 is a wasteful number, since it uses less digits than its factorization.

20354622336104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425462 (or 1425458 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 20354622336104 in words is "twenty trillion, three hundred fifty-four billion, six hundred twenty-two million, three hundred thirty-six thousand, one hundred four".