2002065 has 16 divisors (see below), whose sum is σ = 3450048. Its totient is φ = 985536.

The previous prime is 2002061. The next prime is 2002079. The reversal of 2002065 is 5602002.

It is not a de Polignac number, because 2002065 - 2² = 2002061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

2002065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2002061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4939 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (215628).

2^2002065 is an apocalyptic number.

It is an amenable number.

2002065 is a deficient number, since it is larger than the sum of its proper divisors (1447983).

2002065 is a wasteful number, since it uses less digits than its factorization.

2002065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2002065 is about 1414.9434617680. The cubic root of 2002065 is about 126.0354523570.

Adding to 2002065 its reverse (5602002), we get a palindrome (7604067).

The spelling of 2002065 in words is "two million, two thousand, sixty-five".