20011022222200 has 48 divisors (see below), whose sum is σ = 46526325417000. Its totient is φ = 8004288673920.

The previous prime is 20011022222161. The next prime is 20011022222221. The reversal of 20011022222200 is 222222011002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13249371 + ... + 14682229.

Almost surely, 2^{20011022222200} is an apocalyptic number.

20011022222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011022222200 is an abundant number, since it is smaller than the sum of its proper divisors (26515303194800).

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

20011022222200 is a wasteful number, since it uses less digits than its factorization.

20011022222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502704 (or 1502695 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20011022222200 its reverse (222222011002), we get a palindrome (20233244233202).

The spelling of 20011022222200 in words is "twenty trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred".