2513000020 has 12 divisors (see below), whose sum is σ = 5277300084. Its totient is φ = 1005200000.

The previous prime is 2513000011. The next prime is 2513000041. The reversal of 2513000020 is 200003152.

It can be written as a sum of positive squares in 2 ways, for example, as 1249339716 + 1263660304 = 35346^2 + 35548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62824981 + ... + 62825020.

It is an arithmetic number, because the mean of its divisors is an integer number (439775007).

Almost surely, 2^2513000020 is an apocalyptic number.

2513000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513000020 is an abundant number, since it is smaller than the sum of its proper divisors (2764300064).

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

2513000020 is a wasteful number, since it uses less digits than its factorization.

2513000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125650010 (or 125650008 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2513000020 is about 50129.8316374591. The cubic root of 2513000020 is about 1359.5572412527.

Adding to 2513000020 its reverse (200003152), we get a palindrome (2713003172).

The spelling of 2513000020 in words is "two billion, five hundred thirteen million, twenty", and thus it is an aban number.