20373906065107 has 32 divisors (see below), whose sum is σ = 23638154158080. Its totient is φ = 17200130288640.

The previous prime is 20373906065047. The next prime is 20373906065111. The reversal of 20373906065107 is 70156060937302.

It is a cyclic number.

It is not a de Polignac number, because 20373906065107 - 2¹⁹ = 20373905540819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20373906063107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 786047694 + ... + 786073612.

It is an arithmetic number, because the mean of its divisors is an integer number (738692317440).

Almost surely, 2^{20373906065107} is an apocalyptic number.

20373906065107 is a deficient number, since it is larger than the sum of its proper divisors (3264248092973).

20373906065107 is a wasteful number, since it uses less digits than its factorization.

20373906065107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32451.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 20373906065107 in words is "twenty trillion, three hundred seventy-three billion, nine hundred six million, sixty-five thousand, one hundred seven".