7182020 has 12 divisors (see below), whose sum is σ = 15082284. Its totient is φ = 2872800.

The previous prime is 7182001. The next prime is 7182047. The reversal of 7182020 is 202817.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 4056196 = 1768^2 + 2014^2 .

It is a super-2 number, since 2×7182020² = 103162822560800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 359101 = 7182020 / (7 + 1 + 8 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 7181983 and 7182001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179531 + ... + 179570.

It is an arithmetic number, because the mean of its divisors is an integer number (1256857).

Almost surely, 2^7182020 is an apocalyptic number.

It is an amenable number.

7182020 is an abundant number, since it is smaller than the sum of its proper divisors (7900264).

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

7182020 is a wasteful number, since it uses less digits than its factorization.

7182020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359110 (or 359108 counting only the distinct ones).

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

The square root of 7182020 is about 2679.9291035399. The cubic root of 7182020 is about 192.9370068342.

Adding to 7182020 its reverse (202817), we get a palindrome (7384837).

The spelling of 7182020 in words is "seven million, one hundred eighty-two thousand, twenty".