200120201223220 has 12 divisors (see below), whose sum is σ = 420252422568804. Its totient is φ = 80048080489280.

The previous prime is 200120201223211. The next prime is 200120201223247. The reversal of 200120201223220 is 22322102021002.

It can be written as a sum of positive squares in 2 ways, for example, as 96391435311396 + 103728765911824 = 9817914^2 + 10184732^2 .

It is a congruent number.

It is an unprimeable number.

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, 5003005030561 + ... + 5003005030600.

It is an arithmetic number, because the mean of its divisors is an integer number (35021035214067).

Almost surely, 2^{200120201223220} is an apocalyptic number.

200120201223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120201223220 is an abundant number, since it is smaller than the sum of its proper divisors (220132221345584).

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

200120201223220 is a wasteful number, since it uses less digits than its factorization.

200120201223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006010061170 (or 10006010061168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 200120201223220 its reverse (22322102021002), we get a palindrome (222442303244222).

The spelling of 200120201223220 in words is "two hundred trillion, one hundred twenty billion, two hundred one million, two hundred twenty-three thousand, two hundred twenty".