3020680 has 64 divisors (see below), whose sum is σ = 7565040. Its totient is φ = 1078272.

The previous prime is 3020657. The next prime is 3020683. The reversal of 3020680 is 860203.

It can be written as a sum of positive squares in 8 ways, for example, as 1077444 + 1943236 = 1038^2 + 1394^2 .

It is not an unprimeable number, because it can be changed into a prime (3020683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19162 + ... + 19318.

Almost surely, 2^3020680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782520).

3020680 is an abundant number, since it is smaller than the sum of its proper divisors (4544360).

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

3020680 is a wasteful number, since it uses less digits than its factorization.

3020680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3020680 is about 1738.0103567010. The cubic root of 3020680 is about 144.5555953584. Note that the first 4 decimals are identical.

Adding to 3020680 its reverse (860203), we get a palindrome (3880883).

The spelling of 3020680 in words is "three million, twenty thousand, six hundred eighty".