20768606 has 8 divisors (see below), whose sum is σ = 31192560. Its totient is φ = 10371088.

The previous prime is 20768599. The next prime is 20768617. The reversal of 20768606 is 60686702.

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, 4511 + ... + 7866.

It is an arithmetic number, because the mean of its divisors is an integer number (3899070).

Almost surely, 2^20768606 is an apocalyptic number.

20768606 is a deficient number, since it is larger than the sum of its proper divisors (10423954).

20768606 is a wasteful number, since it uses less digits than its factorization.

20768606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20768606 is about 4557.2586057848. The cubic root of 20768606 is about 274.8753418478.

The spelling of 20768606 in words is "twenty million, seven hundred sixty-eight thousand, six hundred six".