20985314 has 8 divisors (see below), whose sum is σ = 35974848. Its totient is φ = 8993700.

The previous prime is 20985313. The next prime is 20985319. The reversal of 20985314 is 41358902.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20985311) 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, 749462 + ... + 749489.

It is an arithmetic number, because the mean of its divisors is an integer number (4496856).

Almost surely, 2^20985314 is an apocalyptic number.

20985314 is a deficient number, since it is larger than the sum of its proper divisors (14989534).

20985314 is a wasteful number, since it uses less digits than its factorization.

20985314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498960.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20985314 is about 4580.9730407415. The cubic root of 20985314 is about 275.8280890520.

The spelling of 20985314 in words is "twenty million, nine hundred eighty-five thousand, three hundred fourteen".