20002220001100 has 18 divisors (see below), whose sum is σ = 43404817402604. Its totient is φ = 8000888000400.

The previous prime is 20002220001067. The next prime is 20002220001107. The reversal of 20002220001100 is 110002220002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20002220001107) 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, 100011099906 + ... + 100011100105.

Almost surely, 2^{20002220001100} is an apocalyptic number.

20002220001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002220001100 is an abundant number, since it is smaller than the sum of its proper divisors (23402597401504).

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

20002220001100 is a wasteful number, since it uses less digits than its factorization.

20002220001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200022200025 (or 200022200018 counting only the distinct ones).

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

Adding to 20002220001100 its reverse (110002220002), we get a palindrome (20112222221102).

The spelling of 20002220001100 in words is "twenty trillion, two billion, two hundred twenty million, one thousand, one hundred".