20100222200 has 24 divisors (see below), whose sum is σ = 46733017080. Its totient is φ = 8040088800.

The previous prime is 20100222199. The next prime is 20100222209. The reversal of 20100222200 is 222200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100222209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50250356 + ... + 50250755.

It is an arithmetic number, because the mean of its divisors is an integer number (1947209045).

Almost surely, 2^20100222200 is an apocalyptic number.

20100222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100222200 is an abundant number, since it is smaller than the sum of its proper divisors (26632794880).

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

20100222200 is a wasteful number, since it uses less digits than its factorization.

20100222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100501127 (or 100501118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20100222200 its reverse (222200102), we get a palindrome (20322422302).

The spelling of 20100222200 in words is "twenty billion, one hundred million, two hundred twenty-two thousand, two hundred".