20607868 has 6 divisors (see below), whose sum is σ = 36063776. Its totient is φ = 10303932.

The previous prime is 20607863. The next prime is 20607889. The reversal of 20607868 is 86870602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20607863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575980 + ... + 2575987.

Almost surely, 2^20607868 is an apocalyptic number.

It is an amenable number.

20607868 is a deficient number, since it is larger than the sum of its proper divisors (15455908).

20607868 is a wasteful number, since it uses less digits than its factorization.

20607868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151971 (or 5151969 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 20607868 is about 4539.5889681776. The cubic root of 20607868 is about 274.1643747043.

The spelling of 20607868 in words is "twenty million, six hundred seven thousand, eight hundred sixty-eight".