10102002 has 8 divisors (see below), whose sum is σ = 20204016. Its totient is φ = 3367332.

The previous prime is 10101979. The next prime is 10102003. The reversal of 10102002 is 20020101.

It is a happy number.

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

10102002 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (6), and also a Moran number because the ratio is a prime number: 1683667 = 10102002 / (1 + 0 + 1 + 0 + 2 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (10102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841828 + ... + 841839.

It is an arithmetic number, because the mean of its divisors is an integer number (2525502).

Almost surely, 2^10102002 is an apocalyptic number.

10102002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10102002 is a wasteful number, since it uses less digits than its factorization.

10102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683672.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10102002 is about 3178.3646738535. The cubic root of 10102002 is about 216.1735145551.

Adding to 10102002 its reverse (20020101), we get a palindrome (30122103).

The spelling of 10102002 in words is "ten million, one hundred two thousand, two".