20782305374107 has 2 divisors, whose sum is σ = 20782305374108. Its totient is φ = 20782305374106.

The previous prime is 20782305374101. The next prime is 20782305374111. The reversal of 20782305374107 is 70147350328702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20782305374107 - 2¹⁹ = 20782304849819 is a prime.

It is not a weakly prime, because it can be changed into another prime (20782305374101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10391152687053 + 10391152687054.

It is an arithmetic number, because the mean of its divisors is an integer number (10391152687054).

Almost surely, 2^{20782305374107} is an apocalyptic number.

20782305374107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20782305374107 is an equidigital number, since it uses as much as digits as its factorization.

20782305374107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 20782305374107 in words is "twenty trillion, seven hundred eighty-two billion, three hundred five million, three hundred seventy-four thousand, one hundred seven".