22020000210 has 192 divisors, whose sum is σ = 66356690400. Its totient is φ = 5017559040.

The previous prime is 22020000209. The next prime is 22020000229. The reversal of 22020000210 is 1200002022.

It can be written as a sum of positive squares in 16 ways, for example, as 420701121 + 21599299089 = 20511^2 + 146967^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22020000192 and 22020000201.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1204216 + ... + 1222364.

Almost surely, 2^22020000210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020000210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33178345200).

22020000210 is an abundant number, since it is smaller than the sum of its proper divisors (44336690190).

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

22020000210 is a wasteful number, since it uses less digits than its factorization.

22020000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18253 (or 18250 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22020000210 its reverse (1200002022), we get a palindrome (23220002232).

The spelling of 22020000210 in words is "twenty-two billion, twenty million, two hundred ten", and thus it is an aban number.