2150320 has 20 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 860096.

The previous prime is 2150303. The next prime is 2150333. The reversal of 2150320 is 230512.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2150320² = 9247752204800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2150320.

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, 13360 + ... + 13519.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

2^2150320 is an apocalyptic number.

2150320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150320 is an abundant number, since it is smaller than the sum of its proper divisors (2849360).

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

2150320 is a wasteful number, since it uses less digits than its factorization.

2150320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26892 (or 26886 counting only the distinct ones).

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

The square root of 2150320 is about 1466.3969448959. The cubic root of 2150320 is about 129.0726910385.

Adding to 2150320 its reverse (230512), we get a palindrome (2380832).

The spelling of 2150320 in words is "two million, one hundred fifty thousand, three hundred twenty".