20231414666221 has 12 divisors (see below), whose sum is σ = 22318116988636. Its totient is φ = 18325797304320.

The previous prime is 20231414666173. The next prime is 20231414666227. The reversal of 20231414666221 is 12266641413202.

It can be written as a sum of positive squares in 2 ways, for example, as 3724664543721 + 16506750122500 = 1929939^2 + 4062850^2 .

It is not a de Polignac number, because 20231414666221 - 2⁷ = 20231414666093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231414666227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301774740 + ... + 301841773.

Almost surely, 2^{20231414666221} is an apocalyptic number.

It is an amenable number.

20231414666221 is a deficient number, since it is larger than the sum of its proper divisors (2086702322415).

20231414666221 is a wasteful number, since it uses less digits than its factorization.

20231414666221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603616812 (or 603616801 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 20231414666221 in words is "twenty trillion, two hundred thirty-one billion, four hundred fourteen million, six hundred sixty-six thousand, two hundred twenty-one".