265020 has 48 divisors (see below), whose sum is σ = 849408. Its totient is φ = 60480.

The previous prime is 265007. The next prime is 265021. The reversal of 265020 is 20562.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (17696).

2²⁶⁵⁰²⁰ is an apocalyptic number.

265020 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 265020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424704).

265020 is an abundant number, since it is smaller than the sum of its proper divisors (584388).

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

265020 is a wasteful number, since it uses less digits than its factorization.

265020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 265020 is about 514.8009324001. The cubic root of 265020 is about 64.2331987339.

Adding to 265020 its reverse (20562), we get a palindrome (285582).

The spelling of 265020 in words is "two hundred sixty-five thousand, twenty".