20001100222 has 8 divisors (see below), whose sum is σ = 30003484176. Its totient is φ = 9999938832.

The previous prime is 20001100199. The next prime is 20001100237. The reversal of 20001100222 is 22200110002.

20001100222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20001100199 and 20001100208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263583 + ... + 330874.

It is an arithmetic number, because the mean of its divisors is an integer number (3750435522).

Almost surely, 2^20001100222 is an apocalyptic number.

20001100222 is a deficient number, since it is larger than the sum of its proper divisors (10002383954).

20001100222 is a wasteful number, since it uses less digits than its factorization.

20001100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611282.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20001100222 its reverse (22200110002), we get a palindrome (42201210224).

The spelling of 20001100222 in words is "twenty billion, one million, one hundred thousand, two hundred twenty-two".