3020530 has 8 divisors (see below), whose sum is σ = 5436972. Its totient is φ = 1208208.

The previous prime is 3020527. The next prime is 3020533. The reversal of 3020530 is 350203.

It is an interprime number because it is at equal distance from previous prime (3020527) and next prime (3020533).

It can be written as a sum of positive squares in 2 ways, for example, as 2588881 + 431649 = 1609^2 + 657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3020530.

It is not an unprimeable number, because it can be changed into a prime (3020533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151017 + ... + 151036.

Almost surely, 2^3020530 is an apocalyptic number.

3020530 is a deficient number, since it is larger than the sum of its proper divisors (2416442).

3020530 is a wasteful number, since it uses less digits than its factorization.

3020530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302060.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 3020530 is about 1737.9672033730. The cubic root of 3020530 is about 144.5532025530.

Adding to 3020530 its reverse (350203), we get a palindrome (3370733).

The spelling of 3020530 in words is "three million, twenty thousand, five hundred thirty".