276020 has 24 divisors (see below), whose sum is σ = 596904. Its totient is φ = 107136.

The previous prime is 276019. The next prime is 276037. The reversal of 276020 is 20672.

276020 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 195364 = 284^2 + 442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 276020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (24871).

2²⁷⁶⁰²⁰ is an apocalyptic number.

276020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298452).

276020 is an abundant number, since it is smaller than the sum of its proper divisors (320884).

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

276020 is a wasteful number, since it uses less digits than its factorization.

276020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

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

The square root of 276020 is about 525.3760557924. The cubic root of 276020 is about 65.1098733415.

Adding to 276020 its reverse (20672), we get a palindrome (296692).

The spelling of 276020 in words is "two hundred seventy-six thousand, twenty".