20112030044340 has 96 divisors (see below), whose sum is σ = 61245956774016. Its totient is φ = 4901637158400.

The previous prime is 20112030044317. The next prime is 20112030044383. The reversal of 20112030044340 is 4344003021102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112030044340.

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 31 ways as a sum of consecutive naturals, for example, 127568022 + ... + 127725581.

It is an arithmetic number, because the mean of its divisors is an integer number (637978716396).

Almost surely, 2^{20112030044340} is an apocalyptic number.

20112030044340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112030044340 is an abundant number, since it is smaller than the sum of its proper divisors (41133926729676).

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

20112030044340 is a wasteful number, since it uses less digits than its factorization.

20112030044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255293729 (or 255293727 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20112030044340 its reverse (4344003021102), we get a palindrome (24456033065442).

The spelling of 20112030044340 in words is "twenty trillion, one hundred twelve billion, thirty million, forty-four thousand, three hundred forty".