200212220101720 has 64 divisors (see below), whose sum is σ = 466037606311200. Its totient is φ = 77318959011840.

The previous prime is 200212220101639. The next prime is 200212220101721. The reversal of 200212220101720 is 27101022212002.

It is a junction number, because it is equal to n+sod(n) for n = 200212220101691 and 200212220101700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212220101721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15629107 + ... + 25390813.

Almost surely, 2^{200212220101720} is an apocalyptic number.

200212220101720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212220101720 is an abundant number, since it is smaller than the sum of its proper divisors (265825386209480).

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

200212220101720 is a wasteful number, since it uses less digits than its factorization.

200212220101720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779428 (or 9779424 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 200212220101720 its reverse (27101022212002), we get a palindrome (227313242313722).

The spelling of 200212220101720 in words is "two hundred trillion, two hundred twelve billion, two hundred twenty million, one hundred one thousand, seven hundred twenty".