20112700830145 has 16 divisors (see below), whose sum is σ = 30090690073728. Its totient is φ = 12537787530240.

The previous prime is 20112700830121. The next prime is 20112700830181. The reversal of 20112700830145 is 54103800721102.

It is not a de Polignac number, because 20112700830145 - 2⁵ = 20112700830113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112700830145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26120390304 + ... + 26120391073.

It is an arithmetic number, because the mean of its divisors is an integer number (1880668129608).

Almost surely, 2^{20112700830145} is an apocalyptic number.

It is an amenable number.

20112700830145 is a deficient number, since it is larger than the sum of its proper divisors (9977989243583).

20112700830145 is a wasteful number, since it uses less digits than its factorization.

20112700830145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52240781400.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 20112700830145 in words is "twenty trillion, one hundred twelve billion, seven hundred million, eight hundred thirty thousand, one hundred forty-five".