13110020 has 48 divisors (see below), whose sum is σ = 34328448. Its totient is φ = 4085760.

The previous prime is 13109983. The next prime is 13110047. The reversal of 13110020 is 2001131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (715176).

Almost surely, 2^13110020 is an apocalyptic number.

13110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110020 is an abundant number, since it is smaller than the sum of its proper divisors (21218428).

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

13110020 is a wasteful number, since it uses less digits than its factorization.

13110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8538 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 13110020 is about 3620.7761598862. The cubic root of 13110020 is about 235.7949238294.

Adding to 13110020 its reverse (2001131), we get a palindrome (15111151).

Subtracting from 13110020 its reverse (2001131), we obtain a square (11108889 = 3333²).

The spelling of 13110020 in words is "thirteen million, one hundred ten thousand, twenty".