20043222132 has 192 divisors, whose sum is σ = 51446707200. Its totient is φ = 6053253120.

The previous prime is 20043222119. The next prime is 20043222137. The reversal of 20043222132 is 23122234002.

It is a junction number, because it is equal to n+sod(n) for n = 20043222099 and 20043222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043222137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111973219 + ... + 111973397.

It is an arithmetic number, because the mean of its divisors is an integer number (267951600).

Almost surely, 2^20043222132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043222132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25723353600).

20043222132 is an abundant number, since it is smaller than the sum of its proper divisors (31403485068).

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

20043222132 is a wasteful number, since it uses less digits than its factorization.

20043222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

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

Adding to 20043222132 its reverse (23122234002), we get a palindrome (43165456134).

The spelling of 20043222132 in words is "twenty billion, forty-three million, two hundred twenty-two thousand, one hundred thirty-two".