2072180 has 24 divisors (see below), whose sum is σ = 4747680. Its totient is φ = 753440.

The previous prime is 2072179. The next prime is 2072201. The reversal of 2072180 is 812702.

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

It is an Ulam number.

It is a congruent number.

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, 4490 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (197820).

2^2072180 is an apocalyptic number.

2072180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2072180 is an abundant number, since it is smaller than the sum of its proper divisors (2675500).

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

2072180 is a wasteful number, since it uses less digits than its factorization.

2072180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2072180 is about 1439.5068600045. The cubic root of 2072180 is about 127.4899133376.

Adding to 2072180 its reverse (812702), we get a palindrome (2884882).

The spelling of 2072180 in words is "two million, seventy-two thousand, one hundred eighty".