10013112020 has 24 divisors (see below), whose sum is σ = 21119368200. Its totient is φ = 3987752832.

The previous prime is 10013112007. The next prime is 10013112029. The reversal of 10013112020 is 2021131001.

It can be written as a sum of positive squares in 4 ways, for example, as 1481634064 + 8531477956 = 38492^2 + 92366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10013111992 and 10013112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088555 + ... + 1097714.

It is an arithmetic number, because the mean of its divisors is an integer number (879973675).

Almost surely, 2^10013112020 is an apocalyptic number.

10013112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013112020 is an abundant number, since it is smaller than the sum of its proper divisors (11106256180).

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

10013112020 is a wasteful number, since it uses less digits than its factorization.

10013112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186507 (or 2186505 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10013112020 its reverse (2021131001), we get a palindrome (12034243021).

The spelling of 10013112020 in words is "ten billion, thirteen million, one hundred twelve thousand, twenty".