20060403203712 has 128 divisors (see below), whose sum is σ = 54100866193920. Its totient is φ = 6584992025600.

The previous prime is 20060403203639. The next prime is 20060403203719. The reversal of 20060403203712 is 21730230406002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 20060403203712.

It is not an unprimeable number, because it can be changed into a prime (20060403203719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8900287 + ... + 10924097.

It is an arithmetic number, because the mean of its divisors is an integer number (422663017140).

Almost surely, 2^{20060403203712} 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 20060403203712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27050433096960).

20060403203712 is an abundant number, since it is smaller than the sum of its proper divisors (34040462990208).

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

20060403203712 is a wasteful number, since it uses less digits than its factorization.

20060403203712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024222 (or 2024210 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 20060403203712 its reverse (21730230406002), we get a palindrome (41790633609714).

The spelling of 20060403203712 in words is "twenty trillion, sixty billion, four hundred three million, two hundred three thousand, seven hundred twelve".