2015052320 has 24 divisors (see below), whose sum is σ = 4760561484. Its totient is φ = 806020864.

The previous prime is 2015052317. The next prime is 2015052329. The reversal of 2015052320 is 232505102.

It can be written as a sum of positive squares in 2 ways, for example, as 2014573456 + 478864 = 44884^2 + 692^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2015052292 and 2015052301.

It is not an unprimeable number, because it can be changed into a prime (2015052329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6296879 + ... + 6297198.

Almost surely, 2^2015052320 is an apocalyptic number.

2015052320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015052320 is an abundant number, since it is smaller than the sum of its proper divisors (2745509164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015052320 is a wasteful number, since it uses less digits than its factorization.

2015052320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594092 (or 12594084 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2015052320 is about 44889.3341452065. The cubic root of 2015052320 is about 1263.0739424858.

Adding to 2015052320 its reverse (232505102), we get a palindrome (2247557422).

The spelling of 2015052320 in words is "two billion, fifteen million, fifty-two thousand, three hundred twenty".