2018520 has 160 divisors (see below), whose sum is σ = 7840800. Its totient is φ = 456192.

The previous prime is 2018507. The next prime is 2018531. The reversal of 2018520 is 258102.

2018520 = 19³ + 20³ + ... + 53³.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 2018493 and 2018502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22636 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2^2018520 is an apocalyptic number.

2018520 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 2018520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920400).

2018520 is an abundant number, since it is smaller than the sum of its proper divisors (5822280).

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

2018520 is a wasteful number, since it uses less digits than its factorization.

2018520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2018520 is about 1420.7462827683. The cubic root of 2018520 is about 126.3798063665.

The spelling of 2018520 in words is "two million, eighteen thousand, five hundred twenty".