20022342243132 has 48 divisors (see below), whose sum is σ = 46838779938720. Its totient is φ = 6656992376832.

The previous prime is 20022342243131. The next prime is 20022342243181. The reversal of 20022342243132 is 23134224322002.

It is a super-2 number, since 2×20022342243132² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20022342243132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022342243131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7514344 + ... + 9823952.

It is an arithmetic number, because the mean of its divisors is an integer number (975807915390).

Almost surely, 2^{20022342243132} is an apocalyptic number.

It is an amenable number.

20022342243132 is an abundant number, since it is smaller than the sum of its proper divisors (26816437695588).

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

20022342243132 is a wasteful number, since it uses less digits than its factorization.

20022342243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311470 (or 2311468 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20022342243132 its reverse (23134224322002), we get a palindrome (43156566565134).

The spelling of 20022342243132 in words is "twenty trillion, twenty-two billion, three hundred forty-two million, two hundred forty-three thousand, one hundred thirty-two".