10202002 has 8 divisors (see below), whose sum is σ = 15316812. Its totient is φ = 5096400.

The previous prime is 10201987. The next prime is 10202009. The reversal of 10202002 is 20020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8014561 + 2187441 = 2831^2 + 1479^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352 + ... + 5092.

Almost surely, 2^10202002 is an apocalyptic number.

10202002 is a deficient number, since it is larger than the sum of its proper divisors (5114810).

10202002 is a wasteful number, since it uses less digits than its factorization.

10202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 10202002 is about 3194.0572944141. The cubic root of 10202002 is about 216.8844763000.

Adding to 10202002 its reverse (20020201), we get a palindrome (30222203).

The spelling of 10202002 in words is "ten million, two hundred two thousand, two".