200111220212020 has 48 divisors (see below), whose sum is σ = 457040005522128. Its totient is φ = 73155663129600.

The previous prime is 200111220211999. The next prime is 200111220212021. The reversal of 200111220212020 is 20212022111002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21100628105764 + 179010592106256 = 4593542^2 + 13379484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200111220211985 and 200111220212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111220212021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3810164529 + ... + 3810217048.

It is an arithmetic number, because the mean of its divisors is an integer number (9521666781711).

Almost surely, 2^{200111220212020} is an apocalyptic number.

200111220212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111220212020 is an abundant number, since it is smaller than the sum of its proper divisors (256928785310108).

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

200111220212020 is a wasteful number, since it uses less digits than its factorization.

200111220212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620381700 (or 7620381698 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200111220212020 its reverse (20212022111002), we get a palindrome (220323242323022).

The spelling of 200111220212020 in words is "two hundred trillion, one hundred eleven billion, two hundred twenty million, two hundred twelve thousand, twenty".