2566330020 has 96 divisors (see below), whose sum is σ = 7994716800. Its totient is φ = 683448192.

The previous prime is 2566329991. The next prime is 2566330043. The reversal of 2566330020 is 200336652.

2566330020 is a `hidden beast` number, since 2 + 5 + 6 + 633 + 0 + 0 + 20 = 666.

2566330020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470871 + ... + 476289.

It is an arithmetic number, because the mean of its divisors is an integer number (83278300).

Almost surely, 2^2566330020 is an apocalyptic number.

2566330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566330020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3997358400).

2566330020 is an abundant number, since it is smaller than the sum of its proper divisors (5428386780).

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

2566330020 is a wasteful number, since it uses less digits than its factorization.

2566330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2566330020 is about 50658.9579442767. The cubic root of 2566330020 is about 1369.1073482430.

Adding to 2566330020 its reverse (200336652), we get a palindrome (2766666672).

The spelling of 2566330020 in words is "two billion, five hundred sixty-six million, three hundred thirty thousand, twenty".