2013420 has 48 divisors (see below), whose sum is σ = 5886720. Its totient is φ = 513216.

The previous prime is 2013409. The next prime is 2013439. The reversal of 2013420 is 243102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2013396 and 2013405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (122640).

2^2013420 is an apocalyptic number.

2013420 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 2013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943360).

2013420 is an abundant number, since it is smaller than the sum of its proper divisors (3873300).

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

2013420 is a wasteful number, since it uses less digits than its factorization.

2013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2013420 is about 1418.9503162549. The cubic root of 2013420 is about 126.2732793722.

Adding to 2013420 its reverse (243102), we get a palindrome (2256522).

The spelling of 2013420 in words is "two million, thirteen thousand, four hundred twenty".