2028180 has 96 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 420480.

The previous prime is 2028179. The next prime is 2028197. The reversal of 2028180 is 818202.

It is a super-2 number, since 2×2028180² = 8227028224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4401 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2^2028180 is an apocalyptic number.

2028180 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 2028180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548160).

2028180 is an abundant number, since it is smaller than the sum of its proper divisors (5068140).

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

2028180 is a wasteful number, since it uses less digits than its factorization.

2028180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2028180 is about 1424.1418468678. The cubic root of 2028180 is about 126.5810902429.

2028180 divided by its sum of digits (21) gives a triangular number (96580 = T₄₃₉).

The spelling of 2028180 in words is "two million, twenty-eight thousand, one hundred eighty".