20841833707 has 2 divisors, whose sum is σ = 20841833708. Its totient is φ = 20841833706.

The previous prime is 20841833659. The next prime is 20841833743. The reversal of 20841833707 is 70733814802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20841833707 is a prime.

It is not a weakly prime, because it can be changed into another prime (20841833797) 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 as a sum of consecutive naturals, namely, 10420916853 + 10420916854.

It is an arithmetic number, because the mean of its divisors is an integer number (10420916854).

Almost surely, 2^20841833707 is an apocalyptic number.

20841833707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20841833707 is an equidigital number, since it uses as much as digits as its factorization.

20841833707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 20841833707 in words is "twenty billion, eight hundred forty-one million, eight hundred thirty-three thousand, seven hundred seven".