2001302022018 has 64 divisors (see below), whose sum is σ = 4568636096640. Its totient is φ = 578980887552.

The previous prime is 2001302022017. The next prime is 2001302022067. The reversal of 2001302022018 is 8102202031002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001302021985 and 2001302022003.

It is not an unprimeable number, because it can be changed into a prime (2001302022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565113 + ... + 2078931.

It is an arithmetic number, because the mean of its divisors is an integer number (71384939010).

Almost surely, 2^{2001302022018} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001302022018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284318048320).

2001302022018 is an abundant number, since it is smaller than the sum of its proper divisors (2567334074622).

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

2001302022018 is a wasteful number, since it uses less digits than its factorization.

2001302022018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514851.

The product of its (nonzero) digits is 384, while the sum is 21.

The spelling of 2001302022018 in words is "two trillion, one billion, three hundred two million, twenty-two thousand, eighteen".