20003022322122 has 128 divisors (see below), whose sum is σ = 47744199360000. Its totient is φ = 5466020216832.

The previous prime is 20003022322121. The next prime is 20003022322183. The reversal of 20003022322122 is 22122322030002.

It is a super-2 number, since 2×20003022322122² (a number of 27 digits) contains 22 as substring.

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 (20003022322121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 569398654 + ... + 569433782.

It is an arithmetic number, because the mean of its divisors is an integer number (373001557500).

Almost surely, 2^{20003022322122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003022322122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23872099680000).

20003022322122 is an abundant number, since it is smaller than the sum of its proper divisors (27741177037878).

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

20003022322122 is a wasteful number, since it uses less digits than its factorization.

20003022322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39568.

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

Adding to 20003022322122 its reverse (22122322030002), we get a palindrome (42125344352124).

The spelling of 20003022322122 in words is "twenty trillion, three billion, twenty-two million, three hundred twenty-two thousand, one hundred twenty-two".