20321132323230 has 320 divisors, whose sum is σ = 58146341299200. Its totient is φ = 5077873877760.

The previous prime is 20321132323207. The next prime is 20321132323307. The reversal of 20321132323230 is 3232323112302.

20321132323230 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 11 + 323 + 2 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20321132323194 and 20321132323203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 579708384 + ... + 579743436.

It is an arithmetic number, because the mean of its divisors is an integer number (181707316560).

Almost surely, 2^{20321132323230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20321132323230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29073170649600).

20321132323230 is an abundant number, since it is smaller than the sum of its proper divisors (37825208975970).

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

20321132323230 is a wasteful number, since it uses less digits than its factorization.

20321132323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35501 (or 35492 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20321132323230 its reverse (3232323112302), we get a palindrome (23553455435532).

The spelling of 20321132323230 in words is "twenty trillion, three hundred twenty-one billion, one hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty".