2605030620 has 48 divisors (see below), whose sum is σ = 7413671328. Its totient is φ = 683285760.

The previous prime is 2605030591. The next prime is 2605030627. The reversal of 2605030620 is 260305062.

It is a super-2 number, since 2×2605030620² = 13572369062275168800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605030627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352219 + ... + 359538.

It is an arithmetic number, because the mean of its divisors is an integer number (154451486).

Almost surely, 2^2605030620 is an apocalyptic number.

2605030620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605030620 is an abundant number, since it is smaller than the sum of its proper divisors (4808640708).

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

2605030620 is a wasteful number, since it uses less digits than its factorization.

2605030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711830 (or 711828 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2605030620 is about 51039.5005853310. The cubic root of 2605030620 is about 1375.9551481403.

Adding to 2605030620 its reverse (260305062), we get a palindrome (2865335682).

The spelling of 2605030620 in words is "two billion, six hundred five million, thirty thousand, six hundred twenty".