200200102021220 has 72 divisors (see below), whose sum is σ = 492342533134200. Its totient is φ = 68179363553280.

The previous prime is 200200102021189. The next prime is 200200102021223. The reversal of 200200102021220 is 22120201002002.

200200102021220 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 4 ways, for example, as 10614355489024 + 189585746532196 = 3257968^2 + 13769014^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 200200102021195 and 200200102021204.

It is not an unprimeable number, because it can be changed into a prime (200200102021223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685376861 + ... + 685668900.

It is an arithmetic number, because the mean of its divisors is an integer number (6838090737975).

Almost surely, 2^{200200102021220} is an apocalyptic number.

200200102021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200200102021220 is an abundant number, since it is smaller than the sum of its proper divisors (292142431112980).

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

200200102021220 is a wasteful number, since it uses less digits than its factorization.

200200102021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371045933 (or 1371045924 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200200102021220 its reverse (22120201002002), we get a palindrome (222320303023222).

The spelling of 200200102021220 in words is "two hundred trillion, two hundred billion, one hundred two million, twenty-one thousand, two hundred twenty".