200200100002020 has 144 divisors (see below), whose sum is σ = 619258460603328. Its totient is φ = 52340635226880.

The previous prime is 200200100001991. The next prime is 200200100002027. The reversal of 200200100002020 is 20200001002002.

200200100002020 is digitally balanced in base 2 and base 4, because in such bases 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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 200200100001993 and 200200100002011.

It is not an unprimeable number, because it can be changed into a prime (200200100002027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36792639 + ... + 41881958.

It is an arithmetic number, because the mean of its divisors is an integer number (4300405976412).

Almost surely, 2^{200200100002020} is an apocalyptic number.

200200100002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200200100002020 is an abundant number, since it is smaller than the sum of its proper divisors (419058360601308).

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

200200100002020 is a wasteful number, since it uses less digits than its factorization.

200200100002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78674890 (or 78674885 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200200100002020 its reverse (20200001002002), we get a palindrome (220400101004022).

The spelling of 200200100002020 in words is "two hundred trillion, two hundred billion, one hundred million, two thousand, twenty".