22020312213210 has 256 divisors, whose sum is σ = 57925812787200. Its totient is φ = 5334724362240.

The previous prime is 22020312213203. The next prime is 22020312213217. The reversal of 22020312213210 is 1231221302022.

It is an interprime number because it is at equal distance from previous prime (22020312213203) and next prime (22020312213217).

It is not an unprimeable number, because it can be changed into a prime (22020312213217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2561390632 + ... + 2561399228.

It is an arithmetic number, because the mean of its divisors is an integer number (226272706200).

Almost surely, 2^{22020312213210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020312213210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28962906393600).

22020312213210 is an abundant number, since it is smaller than the sum of its proper divisors (35905500573990).

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

22020312213210 is a wasteful number, since it uses less digits than its factorization.

22020312213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22020312213210 its reverse (1231221302022), we get a palindrome (23251533515232).

The spelling of 22020312213210 in words is "twenty-two trillion, twenty billion, three hundred twelve million, two hundred thirteen thousand, two hundred ten".