10020002002 has 8 divisors (see below), whose sum is σ = 15033754800. Its totient is φ = 5008750404.

The previous prime is 10020001993. The next prime is 10020002009. The reversal of 10020002002 is 20020002001.

It is a happy number.

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 (10020002009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615252 + ... + 631327.

It is an arithmetic number, because the mean of its divisors is an integer number (1879219350).

Almost surely, 2^10020002002 is an apocalyptic number.

10020002002 is a deficient number, since it is larger than the sum of its proper divisors (5013752798).

10020002002 is a wasteful number, since it uses less digits than its factorization.

10020002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250600.

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

Adding to 10020002002 its reverse (20020002001), we get a palindrome (30040004003).

Subtracting 10020002002 from its reverse (20020002001), we obtain a palindrome (9999999999).

The spelling of 10020002002 in words is "ten billion, twenty million, two thousand, two".