20201101201200 has 240 divisors, whose sum is σ = 64883324979200. Its totient is φ = 5372621568000.

The previous prime is 20201101201199. The next prime is 20201101201241. The reversal of 20201101201200 is 210210110202.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×20201101201200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749313321 + ... + 749340279.

Almost surely, 2^{20201101201200} is an apocalyptic number.

20201101201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201101201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32441662489600).

20201101201200 is an abundant number, since it is smaller than the sum of its proper divisors (44682223778000).

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

20201101201200 is a wasteful number, since it uses less digits than its factorization.

20201101201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28620 (or 28609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201101201200 its reverse (210210110202), we get a palindrome (20411311311402).

The spelling of 20201101201200 in words is "twenty trillion, two hundred one billion, one hundred one million, two hundred one thousand, two hundred".