20966622 has 16 divisors (see below), whose sum is σ = 42508560. Its totient is φ = 6892992.

The previous prime is 20966611. The next prime is 20966651. The reversal of 20966622 is 22666902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23497 + ... + 24372.

It is an arithmetic number, because the mean of its divisors is an integer number (2656785).

Almost surely, 2^20966622 is an apocalyptic number.

20966622 is an abundant number, since it is smaller than the sum of its proper divisors (21541938).

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

20966622 is a wasteful number, since it uses less digits than its factorization.

20966622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47947.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20966622 is about 4578.9324083240. The cubic root of 20966622 is about 275.7461696968.

The spelling of 20966622 in words is "twenty million, nine hundred sixty-six thousand, six hundred twenty-two".