2595621020 has 12 divisors (see below), whose sum is σ = 5450804184. Its totient is φ = 1038248400.

The previous prime is 2595620999. The next prime is 2595621023. The reversal of 2595621020 is 201265952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2595621023) 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, 64890506 + ... + 64890545.

It is an arithmetic number, because the mean of its divisors is an integer number (454233682).

Almost surely, 2^2595621020 is an apocalyptic number.

2595621020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2595621020 is an abundant number, since it is smaller than the sum of its proper divisors (2855183164).

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

2595621020 is a wasteful number, since it uses less digits than its factorization.

2595621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129781060 (or 129781058 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2595621020 is about 50947.2376091187. The cubic root of 2595621020 is about 1374.2964590365.

Adding to 2595621020 its reverse (201265952), we get a palindrome (2796886972).

The spelling of 2595621020 in words is "two billion, five hundred ninety-five million, six hundred twenty-one thousand, twenty".