4020313 has 8 divisors (see below), whose sum is σ = 4644000. Its totient is φ = 3439680.

The previous prime is 4020307. The next prime is 4020323. The reversal of 4020313 is 3130204.

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 4020313 - 2⁵ = 4020281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020293 and 4020302.

It is not an unprimeable number, because it can be changed into a prime (4020323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10563 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (580500).

Almost surely, 2^4020313 is an apocalyptic number.

It is an amenable number.

4020313 is a deficient number, since it is larger than the sum of its proper divisors (623687).

4020313 is a wasteful number, since it uses less digits than its factorization.

4020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 4020313 is about 2005.0718191626. The cubic root of 4020313 is about 159.0083589345.

Adding to 4020313 its reverse (3130204), we get a palindrome (7150517).

The spelling of 4020313 in words is "four million, twenty thousand, three hundred thirteen".