2606002820 has 12 divisors (see below), whose sum is σ = 5472605964. Its totient is φ = 1042401120.

The previous prime is 2606002771. The next prime is 2606002823. The reversal of 2606002820 is 282006062.

It can be written as a sum of positive squares in 2 ways, for example, as 370793536 + 2235209284 = 19256^2 + 47278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2606002820.

It is not an unprimeable number, because it can be changed into a prime (2606002823) 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, 65150051 + ... + 65150090.

It is an arithmetic number, because the mean of its divisors is an integer number (456050497).

Almost surely, 2^2606002820 is an apocalyptic number.

2606002820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606002820 is an abundant number, since it is smaller than the sum of its proper divisors (2866603144).

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

2606002820 is a wasteful number, since it uses less digits than its factorization.

2606002820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130300150 (or 130300148 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2606002820 is about 51049.0236929170. The cubic root of 2606002820 is about 1376.1262961246.

Adding to 2606002820 its reverse (282006062), we get a palindrome (2888008882).

The spelling of 2606002820 in words is "two billion, six hundred six million, two thousand, eight hundred twenty".