13112112020 has 48 divisors (see below), whose sum is σ = 32062843008. Its totient is φ = 4410756480.

The previous prime is 13112112017. The next prime is 13112112023. The reversal of 13112112020 is 2021121131.

13112112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13112112017) and next prime (13112112023).

It is a super-4 number, since 4×13112112020⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 13112111986 and 13112112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112112023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876146 + ... + 890985.

It is an arithmetic number, because the mean of its divisors is an integer number (667975896).

Almost surely, 2^13112112020 is an apocalyptic number.

13112112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112112020 is an abundant number, since it is smaller than the sum of its proper divisors (18950730988).

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

13112112020 is a wasteful number, since it uses less digits than its factorization.

13112112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767200 (or 1767198 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13112112020 its reverse (2021121131), we get a palindrome (15133233151).

The spelling of 13112112020 in words is "thirteen billion, one hundred twelve million, one hundred twelve thousand, twenty".