20195082707 has 4 divisors (see below), whose sum is σ = 20285643840. Its totient is φ = 20104521576.

The previous prime is 20195082701. The next prime is 20195082709. The reversal of 20195082707 is 70728059102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20195082707 - 2¹⁸ = 20194820563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20195082701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45280232 + ... + 45280677.

It is an arithmetic number, because the mean of its divisors is an integer number (5071410960).

Almost surely, 2^20195082707 is an apocalyptic number.

20195082707 is a deficient number, since it is larger than the sum of its proper divisors (90561133).

20195082707 is an equidigital number, since it uses as much as digits as its factorization.

20195082707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90561132.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 20195082707 in words is "twenty billion, one hundred ninety-five million, eighty-two thousand, seven hundred seven".