235820 has 24 divisors (see below), whose sum is σ = 533904. Its totient is φ = 86976.

The previous prime is 235813. The next prime is 235849. The reversal of 235820 is 28532.

235820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×235820² = 111222144800, which contains 22 as substring.

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 = 235792 and 235801.

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, 194 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (22246).

2²³⁵⁸²⁰ is an apocalyptic number.

235820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235820 is an abundant number, since it is smaller than the sum of its proper divisors (298084).

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

235820 is a wasteful number, since it uses less digits than its factorization.

235820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 235820 is about 485.6130146526. The cubic root of 235820 is about 61.7817508424.

The spelling of 235820 in words is "two hundred thirty-five thousand, eight hundred twenty".