20302313111140 has 96 divisors (see below), whose sum is σ = 45260681558400. Its totient is φ = 7623281326080.

The previous prime is 20302313111111. The next prime is 20302313111141. The reversal of 20302313111140 is 4111131320302.

It is not an unprimeable number, because it can be changed into a prime (20302313111141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298621671 + ... + 298689649.

It is an arithmetic number, because the mean of its divisors is an integer number (471465432900).

Almost surely, 2^{20302313111140} is an apocalyptic number.

20302313111140 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 20302313111140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22630340779200).

20302313111140 is an abundant number, since it is smaller than the sum of its proper divisors (24958368447260).

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

20302313111140 is a wasteful number, since it uses less digits than its factorization.

20302313111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70285 (or 70283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20302313111140 its reverse (4111131320302), we get a palindrome (24413444431442).

The spelling of 20302313111140 in words is "twenty trillion, three hundred two billion, three hundred thirteen million, one hundred eleven thousand, one hundred forty".