3020580 has 72 divisors (see below), whose sum is σ = 9310392. Its totient is φ = 792576.

The previous prime is 3020579. The next prime is 3020581. The reversal of 3020580 is 850203.

It is an interprime number because it is at equal distance from previous prime (3020579) and next prime (3020581).

It can be written as a sum of positive squares in 4 ways, for example, as 788544 + 2232036 = 888^2 + 1494^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3020581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17374 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (129311).

Almost surely, 2^3020580 is an apocalyptic number.

3020580 is a gapful number since it is divisible by the number (30) 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 3020580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4655196).

3020580 is an abundant number, since it is smaller than the sum of its proper divisors (6289812).

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

3020580 is a wasteful number, since it uses less digits than its factorization.

3020580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3020580 is about 1737.9815879347. The cubic root of 3020580 is about 144.5540001636.

Adding to 3020580 its reverse (850203), we get a palindrome (3870783).

It can be divided in two parts, 3020 and 580, that added together give a square (3600 = 60²).

The spelling of 3020580 in words is "three million, twenty thousand, five hundred eighty".