20914313 has 8 divisors (see below), whose sum is σ = 24006528. Its totient is φ = 17848224.

The previous prime is 20914279. The next prime is 20914319. The reversal of 20914313 is 31341902.

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

It is a cyclic number.

It is not a de Polignac number, because 20914313 - 2¹⁰ = 20913289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20914319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4781 + ... + 8042.

It is an arithmetic number, because the mean of its divisors is an integer number (3000816).

Almost surely, 2^20914313 is an apocalyptic number.

It is an amenable number.

20914313 is a deficient number, since it is larger than the sum of its proper divisors (3092215).

20914313 is a wasteful number, since it uses less digits than its factorization.

20914313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20914313 is about 4573.2169202871. The cubic root of 20914313 is about 275.5166617613.

The spelling of 20914313 in words is "twenty million, nine hundred fourteen thousand, three hundred thirteen".