20331103012200 has 288 divisors, whose sum is σ = 70371842268000. Its totient is φ = 5256452206080.

The previous prime is 20331103012139. The next prime is 20331103012217. The reversal of 20331103012200 is 221030113302.

20331103012200 is a `hidden beast` number, since 2 + 0 + 33 + 110 + 301 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18308451 + ... + 19387149.

Almost surely, 2^{20331103012200} is an apocalyptic number.

20331103012200 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 20331103012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35185921134000).

20331103012200 is an abundant number, since it is smaller than the sum of its proper divisors (50040739255800).

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

20331103012200 is a wasteful number, since it uses less digits than its factorization.

20331103012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079041 (or 1079029 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20331103012200 its reverse (221030113302), we get a palindrome (20552133125502).

The spelling of 20331103012200 in words is "twenty trillion, three hundred thirty-one billion, one hundred three million, twelve thousand, two hundred".