2002001020000 has 60 divisors (see below), whose sum is σ = 4925222858556. Its totient is φ = 800800400000.

The previous prime is 2002001019979. The next prime is 2002001020067. The reversal of 2002001020000 is 201002002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50030026 + ... + 50070025.

Almost surely, 2^{2002001020000} is an apocalyptic number.

2002001020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002001020000 is an abundant number, since it is smaller than the sum of its proper divisors (2923221838556).

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

2002001020000 is an equidigital number, since it uses as much as digits as its factorization.

2002001020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100100081 (or 100100058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 2002001020000 its reverse (201002002), we get a palindrome (2002202022002).

The spelling of 2002001020000 in words is "two trillion, two billion, one million, twenty thousand".