220122637800 has 192 divisors, whose sum is σ = 744939612480. Its totient is φ = 53441648640.

The previous prime is 220122637799. The next prime is 220122637831. The reversal of 220122637800 is 8736221022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376107 + ... + 762693.

It is an arithmetic number, because the mean of its divisors is an integer number (3879893815).

Almost surely, 2^220122637800 is an apocalyptic number.

220122637800 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 220122637800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372469806240).

220122637800 is an abundant number, since it is smaller than the sum of its proper divisors (524816974680).

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

220122637800 is a wasteful number, since it uses less digits than its factorization.

220122637800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386692 (or 386683 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 220122637800 its reverse (8736221022), we get a palindrome (228858858822).

The spelling of 220122637800 in words is "two hundred twenty billion, one hundred twenty-two million, six hundred thirty-seven thousand, eight hundred".