20676313 has 8 divisors (see below), whose sum is σ = 24873920. Its totient is φ = 16789680.

The previous prime is 20676277. The next prime is 20676329. The reversal of 20676313 is 31367602.

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 20676313 - 2¹³ = 20668121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20676613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77598 + ... + 77863.

It is an arithmetic number, because the mean of its divisors is an integer number (3109240).

Almost surely, 2^20676313 is an apocalyptic number.

It is an amenable number.

20676313 is a deficient number, since it is larger than the sum of its proper divisors (4197607).

20676313 is a wasteful number, since it uses less digits than its factorization.

20676313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155487.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20676313 is about 4547.1213971039. The cubic root of 20676313 is about 274.4675670565.

The spelling of 20676313 in words is "twenty million, six hundred seventy-six thousand, three hundred thirteen".