2002001020002 has 32 divisors (see below), whose sum is σ = 4524296097600. Its totient is φ = 656022932064.

The previous prime is 2002001019979. The next prime is 2002001020067. The reversal of 2002001020002 is 2000201002002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314184043 + ... + 314190414.

It is an arithmetic number, because the mean of its divisors is an integer number (141384253050).

Almost surely, 2^{2002001020002} is an apocalyptic number.

2002001020002 is an abundant number, since it is smaller than the sum of its proper divisors (2522295077598).

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

2002001020002 is a wasteful number, since it uses less digits than its factorization.

2002001020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628374527 (or 628374521 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2002001020002 its reverse (2000201002002), we get a palindrome (4002202022004).

The spelling of 2002001020002 in words is "two trillion, two billion, one million, twenty thousand, two".