20311033222132 has 12 divisors (see below), whose sum is σ = 35696858819076. Its totient is φ = 10111930702400.

The previous prime is 20311033222121. The next prime is 20311033222153. The reversal of 20311033222132 is 23122233011302.

It can be written as a sum of positive squares in 2 ways, for example, as 6176636560656 + 14134396661476 = 2485284^2 + 3759574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20311033222097 and 20311033222106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10896476119 + ... + 10896477982.

It is an arithmetic number, because the mean of its divisors is an integer number (2974738234923).

Almost surely, 2^{20311033222132} is an apocalyptic number.

It is an amenable number.

20311033222132 is a deficient number, since it is larger than the sum of its proper divisors (15385825596944).

20311033222132 is a wasteful number, since it uses less digits than its factorization.

20311033222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792954338 (or 21792954336 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20311033222132 its reverse (23122233011302), we get a palindrome (43433266233434).

The spelling of 20311033222132 in words is "twenty trillion, three hundred eleven billion, thirty-three million, two hundred twenty-two thousand, one hundred thirty-two".