20122102200 has 192 divisors, whose sum is σ = 64347354720. Its totient is φ = 5197824000.

The previous prime is 20122102193. The next prime is 20122102211. The reversal of 20122102200 is 220122102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5348320 + ... + 5352080.

Almost surely, 2^20122102200 is an apocalyptic number.

20122102200 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 20122102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32173677360).

20122102200 is an abundant number, since it is smaller than the sum of its proper divisors (44225252520).

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

20122102200 is a wasteful number, since it uses less digits than its factorization.

20122102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122102200 its reverse (220122102), we get a palindrome (20342224302).

The spelling of 20122102200 in words is "twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred".