2065560 has 64 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 471936.

The previous prime is 2065559. The next prime is 2065571. The reversal of 2065560 is 655602.

It is a super-2 number, since 2×2065560² = 8533076227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2065560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (110700).

2^2065560 is an apocalyptic number.

2065560 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 2065560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3542400).

2065560 is an abundant number, since it is smaller than the sum of its proper divisors (5019240).

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

2065560 is a wasteful number, since it uses less digits than its factorization.

2065560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2065560 is about 1437.2056220319. The cubic root of 2065560 is about 127.3540043620.

The spelling of 2065560 in words is "two million, sixty-five thousand, five hundred sixty".