200020020020 has 12 divisors (see below), whose sum is σ = 420042042084. Its totient is φ = 80008008000.

The previous prime is 200020019971. The next prime is 200020020023. The reversal of 200020020020 is 20020020002.

200020020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41165163664 + 158854856356 = 202892^2 + 398566^2 .

200020020020 is a modest number, since divided by 20020020 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000500481 + ... + 5000500520.

It is an arithmetic number, because the mean of its divisors is an integer number (35003503507).

Almost surely, 2^200020020020 is an apocalyptic number.

200020020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020020020 is an abundant number, since it is smaller than the sum of its proper divisors (220022022064).

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

200020020020 is a wasteful number, since it uses less digits than its factorization.

200020020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001001010 (or 10001001008 counting only the distinct ones).

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

Adding to 200020020020 its reverse (20020020002), we get a palindrome (220040040022).

The spelling of 200020020020 in words is "two hundred billion, twenty million, twenty thousand, twenty".