20320200315 has 12 divisors (see below), whose sum is σ = 35221680624. Its totient is φ = 10837440144.

The previous prime is 20320200217. The next prime is 20320200349. The reversal of 20320200315 is 51300202302.

It is not a de Polignac number, because 20320200315 - 2⁸ = 20320200059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225779959 + ... + 225780048.

It is an arithmetic number, because the mean of its divisors is an integer number (2935140052).

Almost surely, 2^20320200315 is an apocalyptic number.

20320200315 is a deficient number, since it is larger than the sum of its proper divisors (14901480309).

20320200315 is a wasteful number, since it uses less digits than its factorization.

20320200315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451560018 (or 451560015 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 20320200315 its reverse (51300202302), we get a palindrome (71620402617).

The spelling of 20320200315 in words is "twenty billion, three hundred twenty million, two hundred thousand, three hundred fifteen".