260720 has 20 divisors (see below), whose sum is σ = 606360. Its totient is φ = 104256.

The previous prime is 260717. The next prime is 260723. The reversal of 260720 is 27062.

It is an interprime number because it is at equal distance from previous prime (260717) and next prime (260723).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260723) 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, 1550 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (30318).

2²⁶⁰⁷²⁰ is an apocalyptic number.

260720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260720 is an abundant number, since it is smaller than the sum of its proper divisors (345640).

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

260720 is a wasteful number, since it uses less digits than its factorization.

260720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 260720 is about 510.6074813396. The cubic root of 260720 is about 63.8839041129.

Adding to 260720 its reverse (27062), we get a palindrome (287782).

The spelling of 260720 in words is "two hundred sixty thousand, seven hundred twenty".