275020 has 12 divisors (see below), whose sum is σ = 577584. Its totient is φ = 110000.

The previous prime is 275003. The next prime is 275027. The reversal of 275020 is 20572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 274985 and 275003.

It is not an unprimeable number, because it can be changed into a prime (275027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6856 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (48132).

2²⁷⁵⁰²⁰ is an apocalyptic number.

275020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275020 is an abundant number, since it is smaller than the sum of its proper divisors (302564).

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

275020 is a wasteful number, since it uses less digits than its factorization.

275020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13760 (or 13758 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 275020 is about 524.4234929902. The cubic root of 275020 is about 65.0311487788.

Adding to 275020 its reverse (20572), we get a palindrome (295592).

The spelling of 275020 in words is "two hundred seventy-five thousand, twenty".