3028505820 has 48 divisors (see below), whose sum is σ = 8523785760. Its totient is φ = 803414016.

The previous prime is 3028505803. The next prime is 3028505827. The reversal of 3028505820 is 285058203.

It is a super-3 number, since 3×3028505820³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028505827) 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, 119185 + ... + 142344.

It is an arithmetic number, because the mean of its divisors is an integer number (177578870).

Almost surely, 2^3028505820 is an apocalyptic number.

3028505820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3028505820 is an abundant number, since it is smaller than the sum of its proper divisors (5495279940).

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

3028505820 is a wasteful number, since it uses less digits than its factorization.

3028505820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261734 (or 261732 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 3028505820 is about 55031.8618620159. The cubic root of 3028505820 is about 1446.8032340323.

The spelling of 3028505820 in words is "three billion, twenty-eight million, five hundred five thousand, eight hundred twenty".