2028520085 has 8 divisors (see below), whose sum is σ = 2562341280. Its totient is φ = 1537404624.

The previous prime is 2028520049. The next prime is 2028520097. The reversal of 2028520085 is 5800258202.

It is a happy number.

2028520085 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2028520085 - 2³⁰ = 954778261 is a prime.

It is a super-2 number, since 2×2028520085² = 8229787470496814450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10676327 + ... + 10676516.

It is an arithmetic number, because the mean of its divisors is an integer number (320292660).

Almost surely, 2^2028520085 is an apocalyptic number.

It is an amenable number.

2028520085 is a deficient number, since it is larger than the sum of its proper divisors (533821195).

2028520085 is a wasteful number, since it uses less digits than its factorization.

2028520085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352867.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 2028520085 is about 45039.0950730585. The cubic root of 2028520085 is about 1265.8816488189.

Adding to 2028520085 its reverse (5800258202), we get a palindrome (7828778287).

The spelling of 2028520085 in words is "two billion, twenty-eight million, five hundred twenty thousand, eighty-five".