20203220102200 has 192 divisors, whose sum is σ = 49956083856000. Its totient is φ = 7576845120000.

The previous prime is 20203220102101. The next prime is 20203220102203. The reversal of 20203220102200 is 220102230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203220102203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 989809995 + ... + 989830405.

It is an arithmetic number, because the mean of its divisors is an integer number (260187936750).

Almost surely, 2^{20203220102200} is an apocalyptic number.

20203220102200 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 20203220102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24978041928000).

20203220102200 is an abundant number, since it is smaller than the sum of its proper divisors (29752863753800).

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

20203220102200 is a wasteful number, since it uses less digits than its factorization.

20203220102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23126 (or 23117 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20203220102200 its reverse (220102230202), we get a palindrome (20423322332402).

The spelling of 20203220102200 in words is "twenty trillion, two hundred three billion, two hundred twenty million, one hundred two thousand, two hundred".