4000020002000 has 80 divisors (see below), whose sum is σ = 10551325546944. Its totient is φ = 1454552720000.

The previous prime is 4000020001997. The next prime is 4000020002071. The reversal of 4000020002000 is 2000200004.

4000020002000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

4000020002000 is a modest number, since divided by 20002000 gives 40000 as remainder.

It is a congruent number.

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, 90887546 + ... + 90931545.

Almost surely, 2^{4000020002000} is an apocalyptic number.

4000020002000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000020002000 is an abundant number, since it is smaller than the sum of its proper divisors (6551305544944).

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

4000020002000 is a wasteful number, since it uses less digits than its factorization.

4000020002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181819125 (or 181819109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 4000020002000 its reverse (2000200004), we get a palindrome (4002020202004).

The spelling of 4000020002000 in words is "four trillion, twenty million, two thousand".