20996214 has 8 divisors (see below), whose sum is σ = 41992440. Its totient is φ = 6998736.

The previous prime is 20996201. The next prime is 20996219. The reversal of 20996214 is 41269902.

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

20996214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20996219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749679 + ... + 1749690.

It is an arithmetic number, because the mean of its divisors is an integer number (5249055).

Almost surely, 2^20996214 is an apocalyptic number.

20996214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20996214 is a wasteful number, since it uses less digits than its factorization.

20996214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499374.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 20996214 is about 4582.1625898695. The cubic root of 20996214 is about 275.8758368211.

The spelling of 20996214 in words is "twenty million, nine hundred ninety-six thousand, two hundred fourteen".