10202065 has 8 divisors (see below), whose sum is σ = 12311208. Its totient is φ = 8115840.

The previous prime is 10202063. The next prime is 10202077. The reversal of 10202065 is 56020201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 9979281 = 472^2 + 3159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10202065 - 2¹ = 10202063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (1538901).

Almost surely, 2^10202065 is an apocalyptic number.

It is an amenable number.

10202065 is a deficient number, since it is larger than the sum of its proper divisors (2109143).

10202065 is a wasteful number, since it uses less digits than its factorization.

10202065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10202065 is about 3194.0671564637. The cubic root of 10202065 is about 216.8849227383.

Adding to 10202065 its reverse (56020201), we get a palindrome (66222266).

The spelling of 10202065 in words is "ten million, two hundred two thousand, sixty-five".