20313016 has 16 divisors (see below), whose sum is σ = 38154600. Its totient is φ = 10138464.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313016 is 61031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346 + ... + 7198.

Almost surely, 2^20313016 is an apocalyptic number.

It is an amenable number.

20313016 is a deficient number, since it is larger than the sum of its proper divisors (17841584).

20313016 is a wasteful number, since it uses less digits than its factorization.

20313016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 20313016 is about 4506.9963390267. The cubic root of 20313016 is about 272.8505311405.

Adding to 20313016 its reverse (61031302), we get a palindrome (81344318).

The spelling of 20313016 in words is "twenty million, three hundred thirteen thousand, sixteen".