3020530213 has 4 divisors (see below), whose sum is σ = 3020663628. Its totient is φ = 3020396800.

The previous prime is 3020530189. The next prime is 3020530231. The reversal of 3020530213 is 3120350203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1982208484 + 1038321729 = 44522^2 + 32223^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020530213 - 2²⁵ = 2986975781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020530243) 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, 23356 + ... + 81157.

It is an arithmetic number, because the mean of its divisors is an integer number (755165907).

Almost surely, 2^3020530213 is an apocalyptic number.

It is an amenable number.

3020530213 is a deficient number, since it is larger than the sum of its proper divisors (133415).

3020530213 is a wasteful number, since it uses less digits than its factorization.

3020530213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133414.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3020530213 is about 54959.3505511119. The cubic root of 3020530213 is about 1445.5320595085.

Adding to 3020530213 its reverse (3120350203), we get a palindrome (6140880416).

The spelling of 3020530213 in words is "three billion, twenty million, five hundred thirty thousand, two hundred thirteen".