20000000200000 has 168 divisors, whose sum is σ = 52524221219064. Its totient is φ = 7529410560000.

The previous prime is 20000000199997. The next prime is 20000000200021. The reversal of 20000000200000 is 200000002.

It can be written as a sum of positive squares in 12 ways, for example, as 17856844741696 + 2143155458304 = 4225736^2 + 1463952^2 .

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458824 + ... + 6341176.

It is an arithmetic number, because the mean of its divisors is an integer number (312644173923).

Almost surely, 2^{20000000200000} is an apocalyptic number.

20000000200000 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 20000000200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26262110609532).

20000000200000 is an abundant number, since it is smaller than the sum of its proper divisors (32524221019064).

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

20000000200000 is an frugal number, since it uses more digits than its factorization.

20000000200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882407 (or 5882377 counting only the distinct ones).

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

Adding to 20000000200000 its reverse (200000002), we get a palindrome (20000200200002).

20000000200000 divided by its reverse (200000002) gives a 5-th power (100000 = 10⁵).

It can be divided in two parts, 20000000 and 200000, that multiplied together give a square (4000000000000 = 2000000²).

The spelling of 20000000200000 in words is "twenty trillion, two hundred thousand".