2001010008 has 32 divisors (see below), whose sum is σ = 5071057200. Its totient is φ = 657865728.

The previous prime is 2001010001. The next prime is 2001010009. The reversal of 2001010008 is 8000101002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2001009975 and 2001010002.

It is a congruent number.

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, 569313 + ... + 572816.

Almost surely, 2^2001010008 is an apocalyptic number.

It is an amenable number.

2001010008 is an abundant number, since it is smaller than the sum of its proper divisors (3070047192).

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

2001010008 is a wasteful number, since it uses less digits than its factorization.

2001010008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142211 (or 1142207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2001010008 is about 44732.6503574291. The cubic root of 2001010008 is about 1260.1331025930.

The spelling of 2001010008 in words is "two billion, one million, ten thousand, eight".