20324551166 has 8 divisors (see below), whose sum is σ = 30594554904. Its totient is φ = 10126366200.

The previous prime is 20324551147. The next prime is 20324551193. The reversal of 20324551166 is 66115542302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17953985 + ... + 17955116.

It is an arithmetic number, because the mean of its divisors is an integer number (3824319363).

Almost surely, 2^20324551166 is an apocalyptic number.

20324551166 is a deficient number, since it is larger than the sum of its proper divisors (10270003738).

20324551166 is a wasteful number, since it uses less digits than its factorization.

20324551166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35909386.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20324551166 in words is "twenty billion, three hundred twenty-four million, five hundred fifty-one thousand, one hundred sixty-six".