20335166 has 8 divisors (see below), whose sum is σ = 30870504. Its totient is φ = 10045000.

The previous prime is 20335157. The next prime is 20335193. The reversal of 20335166 is 66153302.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61085 + ... + 61416.

It is an arithmetic number, because the mean of its divisors is an integer number (3858813).

Almost surely, 2^20335166 is an apocalyptic number.

20335166 is a deficient number, since it is larger than the sum of its proper divisors (10535338).

20335166 is a wasteful number, since it uses less digits than its factorization.

20335166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122586.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 20335166 is about 4509.4529601716. The cubic root of 20335166 is about 272.9496702650.

Adding to 20335166 its reverse (66153302), we get a palindrome (86488468).

The spelling of 20335166 in words is "twenty million, three hundred thirty-five thousand, one hundred sixty-six".