20200007806939 has 2 divisors, whose sum is σ = 20200007806940. Its totient is φ = 20200007806938.

The previous prime is 20200007806877. The next prime is 20200007806999. The reversal of 20200007806939 is 93960870000202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200007806939 - 2⁹ = 20200007806427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200007806999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100003903469 + 10100003903470.

It is an arithmetic number, because the mean of its divisors is an integer number (10100003903470).

Almost surely, 2^{20200007806939} is an apocalyptic number.

20200007806939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200007806939 is an equidigital number, since it uses as much as digits as its factorization.

20200007806939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 20200007806939 in words is "twenty trillion, two hundred billion, seven million, eight hundred six thousand, nine hundred thirty-nine".