20766168 has 48 divisors (see below), whose sum is σ = 56464200. Its totient is φ = 6894720.

The previous prime is 20766143. The next prime is 20766203. The reversal of 20766168 is 86166702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26908 + ... + 27668.

Almost surely, 2^20766168 is an apocalyptic number.

It is an amenable number.

20766168 is an abundant number, since it is smaller than the sum of its proper divisors (35698032).

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

20766168 is a wasteful number, since it uses less digits than its factorization.

20766168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20766168 is about 4556.9911125654. The cubic root of 20766168 is about 274.8645856724.

The spelling of 20766168 in words is "twenty million, seven hundred sixty-six thousand, one hundred sixty-eight".