2015320 has 16 divisors (see below), whose sum is σ = 4534560. Its totient is φ = 806112.

The previous prime is 2015317. The next prime is 2015339. The reversal of 2015320 is 235102.

It is a self number, because there is not a number n which added to its sum of digits gives 2015320.

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, 25152 + ... + 25231.

It is an arithmetic number, because the mean of its divisors is an integer number (283410).

2^2015320 is an apocalyptic number.

2015320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015320 is an abundant number, since it is smaller than the sum of its proper divisors (2519240).

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

2015320 is a wasteful number, since it uses less digits than its factorization.

2015320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50394 (or 50390 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2015320 is about 1419.6196673757. The cubic root of 2015320 is about 126.3129869018.

The spelling of 2015320 in words is "two million, fifteen thousand, three hundred twenty".