20112410340 has 144 divisors (see below), whose sum is σ = 66899903616. Its totient is φ = 4850380800.

The previous prime is 20112410323. The next prime is 20112410341. The reversal of 20112410340 is 4301421102.

20112410340 is a `hidden beast` number, since 201 + 12 + 410 + 3 + 40 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20112410341) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 355825 + ... + 408455.

It is an arithmetic number, because the mean of its divisors is an integer number (464582664).

Almost surely, 2^20112410340 is an apocalyptic number.

20112410340 is a gapful number since it is divisible by the number (20) 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 20112410340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33449951808).

20112410340 is an abundant number, since it is smaller than the sum of its proper divisors (46787493276).

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

20112410340 is a wasteful number, since it uses less digits than its factorization.

20112410340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52850 (or 52845 counting only the distinct ones).

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

Adding to 20112410340 its reverse (4301421102), we get a palindrome (24413831442).

The spelling of 20112410340 in words is "twenty billion, one hundred twelve million, four hundred ten thousand, three hundred forty".