20456214 has 8 divisors (see below), whose sum is σ = 40912440. Its totient is φ = 6818736.

The previous prime is 20456209. The next prime is 20456221. The reversal of 20456214 is 41265402.

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

20456214 is an admirable number.

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, 1704679 + ... + 1704690.

It is an arithmetic number, because the mean of its divisors is an integer number (5114055).

Almost surely, 2^20456214 is an apocalyptic number.

20456214 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.

20456214 is a wasteful number, since it uses less digits than its factorization.

20456214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409374.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20456214 is about 4522.8546295454. The cubic root of 20456214 is about 273.4901898942.

The spelling of 20456214 in words is "twenty million, four hundred fifty-six thousand, two hundred fourteen".