2501330820 has 24 divisors (see below), whose sum is σ = 7003726464. Its totient is φ = 667021536.

The previous prime is 2501330789. The next prime is 2501330827. The reversal of 2501330820 is 280331052.

It is not an unprimeable number, because it can be changed into a prime (2501330827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20844364 + ... + 20844483.

It is an arithmetic number, because the mean of its divisors is an integer number (291821936).

Almost surely, 2^2501330820 is an apocalyptic number.

2501330820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501330820 is an abundant number, since it is smaller than the sum of its proper divisors (4502395644).

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

2501330820 is a wasteful number, since it uses less digits than its factorization.

2501330820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41688859 (or 41688857 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2501330820 is about 50013.3064293894. The cubic root of 2501330820 is about 1357.4495923273.

Adding to 2501330820 its reverse (280331052), we get a palindrome (2781661872).

The spelling of 2501330820 in words is "two billion, five hundred one million, three hundred thirty thousand, eight hundred twenty".