20967606 has 48 divisors (see below), whose sum is σ = 51231600. Its totient is φ = 6351840.

The previous prime is 20967589. The next prime is 20967619. The reversal of 20967606 is 60676902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (1067325).

Almost surely, 2^20967606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20967606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25615800).

20967606 is an abundant number, since it is smaller than the sum of its proper divisors (30263994).

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

20967606 is a wasteful number, since it uses less digits than its factorization.

20967606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 20967606 is about 4579.0398556903. The cubic root of 20967606 is about 275.7504833782.

The spelling of 20967606 in words is "twenty million, nine hundred sixty-seven thousand, six hundred six".