852020 has 48 divisors (see below), whose sum is σ = 2010960. Its totient is φ = 301056.

The previous prime is 852013. The next prime is 852031. The reversal of 852020 is 20258.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 256036 + 595984 = 506^2 + 772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 852020.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 852020.

It is an unprimeable number.

852020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7484 + ... + 7596.

It is an arithmetic number, because the mean of its divisors is an integer number (41895).

2⁸⁵²⁰²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005480).

852020 is an abundant number, since it is smaller than the sum of its proper divisors (1158940).

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

852020 is a wasteful number, since it uses less digits than its factorization.

852020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 852020 is about 923.0492944583. The cubic root of 852020 is about 94.8018028582.

Adding to 852020 its reverse (20258), we get a palindrome (872278).

The spelling of 852020 in words is "eight hundred fifty-two thousand, twenty".