2503520020 has 12 divisors (see below), whose sum is σ = 5257392084. Its totient is φ = 1001408000.

The previous prime is 2503520017. The next prime is 2503520021. The reversal of 2503520020 is 200253052.

It can be written as a sum of positive squares in 2 ways, for example, as 271524484 + 2231995536 = 16478^2 + 47244^2 .

It is a super-2 number, since 2×2503520020² = 12535224981081600800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2503520020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503520021) 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, 62587981 + ... + 62588020.

It is an arithmetic number, because the mean of its divisors is an integer number (438116007).

Almost surely, 2^2503520020 is an apocalyptic number.

2503520020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503520020 is an abundant number, since it is smaller than the sum of its proper divisors (2753872064).

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

2503520020 is a wasteful number, since it uses less digits than its factorization.

2503520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125176010 (or 125176008 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2503520020 is about 50035.1878181745. The cubic root of 2503520020 is about 1357.8454965234.

Adding to 2503520020 its reverse (200253052), we get a palindrome (2703773072).

The spelling of 2503520020 in words is "two billion, five hundred three million, five hundred twenty thousand, twenty".