20022541721466 has 32 divisors (see below), whose sum is σ = 41435278056000. Its totient is φ = 6442585134720.

The previous prime is 20022541721419. The next prime is 20022541721491. The reversal of 20022541721466 is 66412714522002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12182916 + ... + 13728383.

It is an arithmetic number, because the mean of its divisors is an integer number (1294852439250).

Almost surely, 2^{20022541721466} is an apocalyptic number.

20022541721466 is an abundant number, since it is smaller than the sum of its proper divisors (21412736334534).

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

20022541721466 is a wasteful number, since it uses less digits than its factorization.

20022541721466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25915774.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 20022541721466 in words is "twenty trillion, twenty-two billion, five hundred forty-one million, seven hundred twenty-one thousand, four hundred sixty-six".