10020001002002 has 8 divisors (see below), whose sum is σ = 15078020678076. Its totient is φ = 4993994109312.

The previous prime is 10020001001993. The next prime is 10020001002047. The reversal of 10020001002002 is 20020010002001.

It can be written as a sum of positive squares in 2 ways, for example, as 10013231168161 + 6769833841 = 3164369^2 + 82279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003195063 + ... + 8003196314.

Almost surely, 2^{10020001002002} is an apocalyptic number.

10020001002002 is a deficient number, since it is larger than the sum of its proper divisors (5058019676074).

10020001002002 is a wasteful number, since it uses less digits than its factorization.

10020001002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16006391692.

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

Adding to 10020001002002 its reverse (20020010002001), we get a palindrome (30040011004003).

It can be divided in two parts, 1002000 and 1002002, that added together give a palindrome (2004002).

The spelling of 10020001002002 in words is "ten trillion, twenty billion, one million, two thousand, two".