20011201022200 has 48 divisors (see below), whose sum is σ = 47163385457280. Its totient is φ = 7894829986560.

The previous prime is 20011201022173. The next prime is 20011201022203. The reversal of 20011201022200 is 222010211002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011201022203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685300504 + ... + 685329703.

It is an arithmetic number, because the mean of its divisors is an integer number (982570530360).

Almost surely, 2^{20011201022200} is an apocalyptic number.

20011201022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011201022200 is an abundant number, since it is smaller than the sum of its proper divisors (27152184435080).

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

20011201022200 is a wasteful number, since it uses less digits than its factorization.

20011201022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370630296 (or 1370630287 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20011201022200 its reverse (222010211002), we get a palindrome (20233211233202).

The spelling of 20011201022200 in words is "twenty trillion, eleven billion, two hundred one million, twenty-two thousand, two hundred".