20023241112 has 288 divisors, whose sum is σ = 64232606880. Its totient is φ = 5519001600.

The previous prime is 20023241089. The next prime is 20023241167. The reversal of 20023241112 is 21114232002.

It is a happy number.

20023241112 is a `hidden beast` number, since 20 + 0 + 232 + 411 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177196768 + ... + 177196880.

It is an arithmetic number, because the mean of its divisors is an integer number (223029885).

Almost surely, 2^20023241112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023241112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32116303440).

20023241112 is an abundant number, since it is smaller than the sum of its proper divisors (44209365768).

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

20023241112 is a wasteful number, since it uses less digits than its factorization.

20023241112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20023241112 its reverse (21114232002), we get a palindrome (41137473114).

The spelling of 20023241112 in words is "twenty billion, twenty-three million, two hundred forty-one thousand, one hundred twelve".