10002001002 has 16 divisors (see below), whose sum is σ = 22861716672. Its totient is φ = 2857714560.

The previous prime is 10002000997. The next prime is 10002001003. The reversal of 10002001002 is 20010020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (10002001003) 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, 119071399 + ... + 119071482.

It is an arithmetic number, because the mean of its divisors is an integer number (1428857292).

Almost surely, 2^10002001002 is an apocalyptic number.

10002001002 is an abundant number, since it is smaller than the sum of its proper divisors (12859715670).

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

10002001002 is a wasteful number, since it uses less digits than its factorization.

10002001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238142893.

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

Adding to 10002001002 its reverse (20010020001), we get a palindrome (30012021003).

It can be divided in two parts, 1000 and 2001002, that added together give a palindrome (2002002).

The spelling of 10002001002 in words is "ten billion, two million, one thousand, two".