20403314 has 8 divisors (see below), whose sum is σ = 30629340. Its totient is φ = 10193536.

The previous prime is 20403307. The next prime is 20403329. The reversal of 20403314 is 41330402.

It can be written as a sum of positive squares in 2 ways, for example, as 20403289 + 25 = 4517^2 + 5^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20403292 and 20403301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 6390.

Almost surely, 2^20403314 is an apocalyptic number.

20403314 is a deficient number, since it is larger than the sum of its proper divisors (10226026).

20403314 is a wasteful number, since it uses less digits than its factorization.

20403314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20403314 is about 4517.0027673226. The cubic root of 20403314 is about 273.2542368134.

Adding to 20403314 its reverse (41330402), we get a palindrome (61733716).

The spelling of 20403314 in words is "twenty million, four hundred three thousand, three hundred fourteen".