2021360 has 40 divisors (see below), whose sum is σ = 5129136. Its totient is φ = 734720.

The previous prime is 2021339. The next prime is 2021377. The reversal of 2021360 is 631202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 2028.

2^2021360 is an apocalyptic number.

2021360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021360 is an abundant number, since it is smaller than the sum of its proper divisors (3107776).

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

2021360 is a wasteful number, since it uses less digits than its factorization.

2021360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2021360 is about 1421.7454061821. The cubic root of 2021360 is about 126.4390495170.

Adding to 2021360 its reverse (631202), we get a palindrome (2652562).

The spelling of 2021360 in words is "two million, twenty-one thousand, three hundred sixty".