20313416 has 32 divisors (see below), whose sum is σ = 40512960. Its totient is φ = 9527232.

The previous prime is 20313389. The next prime is 20313421. The reversal of 20313416 is 61431302.

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 7 ways as a sum of consecutive naturals, for example, 8711 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (1266030).

Almost surely, 2^20313416 is an apocalyptic number.

It is an amenable number.

20313416 is a deficient number, since it is larger than the sum of its proper divisors (20199544).

20313416 is a wasteful number, since it uses less digits than its factorization.

20313416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20313416 is about 4507.0407142603. The cubic root of 20313416 is about 272.8523221021.

Adding to 20313416 its reverse (61431302), we get a palindrome (81744718).

The spelling of 20313416 in words is "twenty million, three hundred thirteen thousand, four hundred sixteen".