20323211132 has 12 divisors (see below), whose sum is σ = 40646422320. Its totient is φ = 8709947616.

The previous prime is 20323211101. The next prime is 20323211137. The reversal of 20323211132 is 23111232302.

20323211132 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323211137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362914457 + ... + 362914512.

It is an arithmetic number, because the mean of its divisors is an integer number (3387201860).

Almost surely, 2^20323211132 is an apocalyptic number.

It is an amenable number.

20323211132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20323211132 is a wasteful number, since it uses less digits than its factorization.

20323211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725828980 (or 725828978 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20323211132 its reverse (23111232302), we get a palindrome (43434443434).

The spelling of 20323211132 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, one hundred thirty-two".