20044556020266 has 16 divisors (see below), whose sum is σ = 40092982891104. Its totient is φ = 6680873531664.

The previous prime is 20044556020199. The next prime is 20044556020273. The reversal of 20044556020266 is 66202065544002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161218120 + ... + 161342403.

It is an arithmetic number, because the mean of its divisors is an integer number (2505811430694).

Almost surely, 2^{20044556020266} is an apocalyptic number.

20044556020266 is an abundant number, since it is smaller than the sum of its proper divisors (20048426870838).

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

20044556020266 is a wasteful number, since it uses less digits than its factorization.

20044556020266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322570885.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20044556020266 in words is "twenty trillion, forty-four billion, five hundred fifty-six million, twenty thousand, two hundred sixty-six".