20112221022300 has 288 divisors, whose sum is σ = 72810306508800. Its totient is φ = 4718409408000.

The previous prime is 20112221022211. The next prime is 20112221022301. The reversal of 20112221022300 is 322012221102.

20112221022300 is a `hidden beast` number, since 20 + 112 + 2 + 210 + 22 + 300 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112221022301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10001545 + ... + 11842944.

Almost surely, 2^{20112221022300} is an apocalyptic number.

20112221022300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112221022300 is an abundant number, since it is smaller than the sum of its proper divisors (52698085486500).

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

20112221022300 is a wasteful number, since it uses less digits than its factorization.

20112221022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844554 (or 21844541 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20112221022300 its reverse (322012221102), we get a palindrome (20434233243402).

The spelling of 20112221022300 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-one million, twenty-two thousand, three hundred".