20914466 has 8 divisors (see below), whose sum is σ = 31724460. Its totient is φ = 10339648.

The previous prime is 20914457. The next prime is 20914477. The reversal of 20914466 is 66441902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19404025 + 1510441 = 4405^2 + 1229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58571 + ... + 58926.

Almost surely, 2^20914466 is an apocalyptic number.

20914466 is a deficient number, since it is larger than the sum of its proper divisors (10809994).

20914466 is a wasteful number, since it uses less digits than its factorization.

20914466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117588.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20914466 is about 4573.2336480875. The cubic root of 20914466 is about 275.5173336130.

The spelling of 20914466 in words is "twenty million, nine hundred fourteen thousand, four hundred sixty-six".