20022221102200 has 96 divisors (see below), whose sum is σ = 47202564958560. Its totient is φ = 7896966912000.

The previous prime is 20022221102173. The next prime is 20022221102281. The reversal of 20022221102200 is 220112222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52472100 + ... + 52852300.

It is an arithmetic number, because the mean of its divisors is an integer number (491693384985).

Almost surely, 2^{20022221102200} is an apocalyptic number.

20022221102200 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 20022221102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23601282479280).

20022221102200 is an abundant number, since it is smaller than the sum of its proper divisors (27180343856360).

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

20022221102200 is a wasteful number, since it uses less digits than its factorization.

20022221102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383897 (or 383888 counting only the distinct ones).

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

Adding to 20022221102200 its reverse (220112222002), we get a palindrome (20242333324202).

The spelling of 20022221102200 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred".