20746238701 has 2 divisors, whose sum is σ = 20746238702. Its totient is φ = 20746238700.

The previous prime is 20746238699. The next prime is 20746238771. The reversal of 20746238701 is 10783264702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13508483076 + 7237755625 = 116226^2 + 85075^2 .

It is a cyclic number.

It is not a de Polignac number, because 20746238701 - 2¹ = 20746238699 is a prime.

Together with 20746238699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20746238771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10373119350 + 10373119351.

It is an arithmetic number, because the mean of its divisors is an integer number (10373119351).

Almost surely, 2^20746238701 is an apocalyptic number.

It is an amenable number.

20746238701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20746238701 is an equidigital number, since it uses as much as digits as its factorization.

20746238701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 20746238701 in words is "twenty billion, seven hundred forty-six million, two hundred thirty-eight thousand, seven hundred one".