20962168 has 16 divisors (see below), whose sum is σ = 41373000. Its totient is φ = 9929376.

The previous prime is 20962163. The next prime is 20962181. The reversal of 20962168 is 86126902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20962163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68803 + ... + 69106.

Almost surely, 2^20962168 is an apocalyptic number.

It is an amenable number.

20962168 is a deficient number, since it is larger than the sum of its proper divisors (20410832).

20962168 is a wasteful number, since it uses less digits than its factorization.

20962168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137934 (or 137930 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 20962168 is about 4578.4460245808. The cubic root of 20962168 is about 275.7266424625.

The spelling of 20962168 in words is "twenty million, nine hundred sixty-two thousand, one hundred sixty-eight".