13310020 has 12 divisors (see below), whose sum is σ = 27951084. Its totient is φ = 5324000.

The previous prime is 13310009. The next prime is 13310053. The reversal of 13310020 is 2001331.

It can be written as a sum of positive squares in 2 ways, for example, as 4631104 + 8678916 = 2152^2 + 2946^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 13309979 and 13310006.

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, 332731 + ... + 332770.

It is an arithmetic number, because the mean of its divisors is an integer number (2329257).

Almost surely, 2^13310020 is an apocalyptic number.

13310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13310020 is an abundant number, since it is smaller than the sum of its proper divisors (14641064).

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

13310020 is a wasteful number, since it uses less digits than its factorization.

13310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665510 (or 665508 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13310020 is about 3648.2900104021. The cubic root of 13310020 is about 236.9879346051.

Adding to 13310020 its reverse (2001331), we get a palindrome (15311351).

It can be divided in two parts, 133 and 10020, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 13310020 in words is "thirteen million, three hundred ten thousand, twenty".