2001010002 has 16 divisors (see below), whose sum is σ = 4099630752. Its totient is φ = 650734880.

The previous prime is 2001010001. The next prime is 2001010009. The reversal of 2001010002 is 2000101002.

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 (2001010001) 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, 4066848 + ... + 4067339.

It is an arithmetic number, because the mean of its divisors is an integer number (256226922).

Almost surely, 2^2001010002 is an apocalyptic number.

2001010002 is an abundant number, since it is smaller than the sum of its proper divisors (2098620750).

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

2001010002 is a wasteful number, since it uses less digits than its factorization.

2001010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134233.

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

The square root of 2001010002 is about 44732.6502903640. The cubic root of 2001010002 is about 1260.1331013335.

Adding to 2001010002 its reverse (2000101002), we get a palindrome (4001111004).

It can be divided in two parts, 200101000 and 2, that added together give a palindrome (200101002).

The spelling of 2001010002 in words is "two billion, one million, ten thousand, two".