2820256110 has 128 divisors (see below), whose sum is σ = 8627696640. Its totient is φ = 642183552.

The previous prime is 2820256097. The next prime is 2820256129. The reversal of 2820256110 is 116520282.

It is a happy number.

2820256110 is a `hidden beast` number, since 2 + 8 + 20 + 25 + 611 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 520837 + ... + 526223.

It is an arithmetic number, because the mean of its divisors is an integer number (67403880).

Almost surely, 2^2820256110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2820256110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4313848320).

2820256110 is an abundant number, since it is smaller than the sum of its proper divisors (5807440530).

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

2820256110 is a wasteful number, since it uses less digits than its factorization.

2820256110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2820256110 is about 53106.0835498156. The cubic root of 2820256110 is about 1412.8504130754.

Adding to 2820256110 its reverse (116520282), we get a palindrome (2936776392).

The spelling of 2820256110 in words is "two billion, eight hundred twenty million, two hundred fifty-six thousand, one hundred ten".