2513102020 has 96 divisors (see below), whose sum is σ = 6223392000. Its totient is φ = 840399360.

The previous prime is 2513101967. The next prime is 2513102021. The reversal of 2513102020 is 202013152.

It is a junction number, because it is equal to n+sod(n) for n = 2513101985 and 2513102003.

It is not an unprimeable number, because it can be changed into a prime (2513102021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836481 + ... + 839479.

It is an arithmetic number, because the mean of its divisors is an integer number (64827000).

Almost surely, 2^2513102020 is an apocalyptic number.

2513102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2513102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111696000).

2513102020 is an abundant number, since it is smaller than the sum of its proper divisors (3710289980).

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

2513102020 is a wasteful number, since it uses less digits than its factorization.

2513102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2513102020 is about 50130.8489854301. The cubic root of 2513102020 is about 1359.5756353316.

Adding to 2513102020 its reverse (202013152), we get a palindrome (2715115172).

The spelling of 2513102020 in words is "two billion, five hundred thirteen million, one hundred two thousand, twenty".