20020313 has 8 divisors (see below), whose sum is σ = 20250240. Its totient is φ = 19792080.

The previous prime is 20020307. The next prime is 20020331. The reversal of 20020313 is 31302002.

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 20020313 - 2¹⁸ = 19758169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020294 and 20020303.

It is not an unprimeable number, because it can be changed into a prime (20020303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50231 + ... + 50627.

It is an arithmetic number, because the mean of its divisors is an integer number (2531280).

Almost surely, 2^20020313 is an apocalyptic number.

It is an amenable number.

20020313 is a deficient number, since it is larger than the sum of its proper divisors (229927).

20020313 is a wasteful number, since it uses less digits than its factorization.

20020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20020313 is about 4474.4064410824. The cubic root of 20020313 is about 271.5336271738.

Adding to 20020313 its reverse (31302002), we get a palindrome (51322315).

The spelling of 20020313 in words is "twenty million, twenty thousand, three hundred thirteen".