765020 has 24 divisors (see below), whose sum is σ = 1663200. Its totient is φ = 295232.

The previous prime is 765007. The next prime is 765031. The reversal of 765020 is 20567.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 764983 and 765001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2⁷⁶⁵⁰²⁰ is an apocalyptic number.

It is an amenable number.

765020 is an abundant number, since it is smaller than the sum of its proper divisors (898180).

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

765020 is a wasteful number, since it uses less digits than its factorization.

765020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 765020 is about 874.6542173911. The cubic root of 765020 is about 91.4585397481.

Adding to 765020 its reverse (20567), we get a palindrome (785587).

The spelling of 765020 in words is "seven hundred sixty-five thousand, twenty".