20020100222200 has 96 divisors (see below), whose sum is σ = 50136080772960. Its totient is φ = 7390734912000.

The previous prime is 20020100222191. The next prime is 20020100222237. The reversal of 20020100222200 is 222200102002.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 23 ways as a sum of consecutive naturals, for example, 14147277 + ... + 15497923.

It is an arithmetic number, because the mean of its divisors is an integer number (522250841385).

Almost surely, 2^{20020100222200} is an apocalyptic number.

20020100222200 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 20020100222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25068040386480).

20020100222200 is an abundant number, since it is smaller than the sum of its proper divisors (30115980550760).

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

20020100222200 is a wasteful number, since it uses less digits than its factorization.

20020100222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356377 (or 1356368 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020100222200 its reverse (222200102002), we get a palindrome (20242300324202).

The spelling of 20020100222200 in words is "twenty trillion, twenty billion, one hundred million, two hundred twenty-two thousand, two hundred".