22020220330122 has 128 divisors (see below), whose sum is σ = 52208946316800. Its totient is φ = 6058066000896.

The previous prime is 22020220330057. The next prime is 22020220330127. The reversal of 22020220330122 is 22103302202022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22020220330127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 683565688 + ... + 683597900.

It is an arithmetic number, because the mean of its divisors is an integer number (407882393100).

Almost surely, 2^{22020220330122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020220330122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26104473158400).

22020220330122 is an abundant number, since it is smaller than the sum of its proper divisors (30188725986678).

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

22020220330122 is a wasteful number, since it uses less digits than its factorization.

22020220330122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33760.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22020220330122 its reverse (22103302202022), we get a palindrome (44123522532144).

The spelling of 22020220330122 in words is "twenty-two trillion, twenty billion, two hundred twenty million, three hundred thirty thousand, one hundred twenty-two".