20323323252166 has 8 divisors (see below), whose sum is σ = 33256347139944. Its totient is φ = 9237874205520.

The previous prime is 20323323252083. The next prime is 20323323252191. The reversal of 20323323252166 is 66125232332302.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461893710255 + ... + 461893710298.

It is an arithmetic number, because the mean of its divisors is an integer number (4157043392493).

Almost surely, 2^{20323323252166} is an apocalyptic number.

20323323252166 is a deficient number, since it is larger than the sum of its proper divisors (12933023887778).

20323323252166 is a wasteful number, since it uses less digits than its factorization.

20323323252166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923787420566.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 20323323252166 its reverse (66125232332302), we get a palindrome (86448555584468).

The spelling of 20323323252166 in words is "twenty trillion, three hundred twenty-three billion, three hundred twenty-three million, two hundred fifty-two thousand, one hundred sixty-six".