283020 has 48 divisors (see below), whose sum is σ = 816480. Its totient is φ = 73216.

The previous prime is 283009. The next prime is 283027. The reversal of 283020 is 20382.

283020 = T₃₁ + T₃₂ + ... + T₁₁₉.

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

It is not an unprimeable number, because it can be changed into a prime (283027) by changing a digit.

283020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3136 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²⁸³⁰²⁰ is an apocalyptic number.

283020 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 283020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408240).

283020 is an abundant number, since it is smaller than the sum of its proper divisors (533460).

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

283020 is a wasteful number, since it uses less digits than its factorization.

283020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 283020 is about 531.9962405882. The cubic root of 283020 is about 65.6556908600.

It can be divided in two parts, 2830 and 20, that added together give a triangular number (2850 = T₇₅).

The spelling of 283020 in words is "two hundred eighty-three thousand, twenty".