20321222301132 has 24 divisors (see below), whose sum is σ = 47428935187200. Its totient is φ = 6771919364496.

The previous prime is 20321222301109. The next prime is 20321222301137. The reversal of 20321222301132 is 23110322212302.

It is not an unprimeable number, because it can be changed into a prime (20321222301137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227628832 + ... + 227718087.

It is an arithmetic number, because the mean of its divisors is an integer number (1976205632800).

Almost surely, 2^{20321222301132} is an apocalyptic number.

It is an amenable number.

20321222301132 is an abundant number, since it is smaller than the sum of its proper divisors (27107712886068).

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

20321222301132 is a wasteful number, since it uses less digits than its factorization.

20321222301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455350645 (or 455350643 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20321222301132 its reverse (23110322212302), we get a palindrome (43431544513434).

The spelling of 20321222301132 in words is "twenty trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred one thousand, one hundred thirty-two".