2000020000 has 120 divisors (see below), whose sum is σ = 5368244112. Its totient is φ = 727200000.

The previous prime is 2000019979. The next prime is 2000020007. The reversal of 2000020000 is 200002.

2000020000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (2000020007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215455 + ... + 224545.

Almost surely, 2^2000020000 is an apocalyptic number.

2000020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684122056).

2000020000 is an abundant number, since it is smaller than the sum of its proper divisors (3368224112).

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

2000020000 is an equidigital number, since it uses as much as digits as its factorization.

2000020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

The square root of 2000020000 is about 44721.5831562345. The cubic root of 2000020000 is about 1259.9252496177.

Adding to 2000020000 its reverse (200002), we get a palindrome (2000220002).

Multiplying 2000020000 by its reverse (200002), we get a square (400008000040000 = 20000200²).

2000020000 divided by its reverse (200002) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 20000 and 20000, that added together give a square (40000 = 200²).

The spelling of 2000020000 in words is "two billion, twenty thousand".