200212002120020 has 36 divisors (see below), whose sum is σ = 462142249527252. Its totient is φ = 72804364406400.

The previous prime is 200212002119957. The next prime is 200212002120077. The reversal of 200212002120020 is 20021200212002.

It can be written as a sum of positive squares in 2 ways, for example, as 35483299449796 + 164728702670224 = 5956786^2 + 12834668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200212002119977 and 200212002120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41366113721 + ... + 41366118560.

Almost surely, 2^{200212002120020} is an apocalyptic number.

200212002120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212002120020 is an abundant number, since it is smaller than the sum of its proper divisors (261930247407232).

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

200212002120020 is a wasteful number, since it uses less digits than its factorization.

200212002120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82732232312 (or 82732232299 counting only the distinct ones).

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

Adding to 200212002120020 its reverse (20021200212002), we get a palindrome (220233202332022).

The spelling of 200212002120020 in words is "two hundred trillion, two hundred twelve billion, two million, one hundred twenty thousand, twenty".