20304110031144 has 32 divisors (see below), whose sum is σ = 50765129896320. Its totient is φ = 6767389367936.

The previous prime is 20304110031103. The next prime is 20304110031151. The reversal of 20304110031144 is 44113001140302.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40200624 + ... + 40702559.

It is an arithmetic number, because the mean of its divisors is an integer number (1586410309260).

Almost surely, 2^{20304110031144} is an apocalyptic number.

20304110031144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20304110031144 is an abundant number, since it is smaller than the sum of its proper divisors (30461019865176).

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

20304110031144 is a wasteful number, since it uses less digits than its factorization.

20304110031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80913649 (or 80913645 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20304110031144 its reverse (44113001140302), we get a palindrome (64417111171446).

The spelling of 20304110031144 in words is "twenty trillion, three hundred four billion, one hundred ten million, thirty-one thousand, one hundred forty-four".