20202122200 has 192 divisors, whose sum is σ = 51669505440. Its totient is φ = 7300730880.

The previous prime is 20202122123. The next prime is 20202122203. The reversal of 20202122200 is 222120202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202122203) 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, 30937074 + ... + 30937726.

Almost surely, 2^20202122200 is an apocalyptic number.

20202122200 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 20202122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25834752720).

20202122200 is an abundant number, since it is smaller than the sum of its proper divisors (31467383240).

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

20202122200 is a wasteful number, since it uses less digits than its factorization.

20202122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 909 counting only the distinct ones).

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

Adding to 20202122200 its reverse (222120202), we get a palindrome (20424242402).

The spelling of 20202122200 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred".