20323031131104 has 192 divisors, whose sum is σ = 58545004392000. Its totient is φ = 6134273114112.

The previous prime is 20323031131079. The next prime is 20323031131133. The reversal of 20323031131104 is 40113113032302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486071352 + ... + 486113160.

It is an arithmetic number, because the mean of its divisors is an integer number (304921897875).

Almost surely, 2^{20323031131104} is an apocalyptic number.

20323031131104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323031131104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29272502196000).

20323031131104 is an abundant number, since it is smaller than the sum of its proper divisors (38221973260896).

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

20323031131104 is a wasteful number, since it uses less digits than its factorization.

20323031131104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49237 (or 49229 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20323031131104 its reverse (40113113032302), we get a palindrome (60436144163406).

The spelling of 20323031131104 in words is "twenty trillion, three hundred twenty-three billion, thirty-one million, one hundred thirty-one thousand, one hundred four".