20593751069 has 2 divisors, whose sum is σ = 20593751070. Its totient is φ = 20593751068.

The previous prime is 20593751033. The next prime is 20593751071. The reversal of 20593751069 is 96015739502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20516838169 + 76912900 = 143237^2 + 8770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20593751069 is a prime.

It is a super-2 number, since 2×20593751069² (a number of 21 digits) contains 22 as substring.

Together with 20593751071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20593051069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10296875534 + 10296875535.

It is an arithmetic number, because the mean of its divisors is an integer number (10296875535).

Almost surely, 2^20593751069 is an apocalyptic number.

It is an amenable number.

20593751069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593751069 is an equidigital number, since it uses as much as digits as its factorization.

20593751069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 20593751069 in words is "twenty billion, five hundred ninety-three million, seven hundred fifty-one thousand, sixty-nine".