20366722741 has 2 divisors, whose sum is σ = 20366722742. Its totient is φ = 20366722740.

The previous prime is 20366722693. The next prime is 20366722759. The reversal of 20366722741 is 14722766302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18948899025 + 1417823716 = 137655^2 + 37654^2 .

It is a cyclic number.

It is not a de Polignac number, because 20366722741 - 2¹⁷ = 20366591669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20366722694 and 20366722703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20366726741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183361370 + 10183361371.

It is an arithmetic number, because the mean of its divisors is an integer number (10183361371).

Almost surely, 2^20366722741 is an apocalyptic number.

It is an amenable number.

20366722741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366722741 is an equidigital number, since it uses as much as digits as its factorization.

20366722741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 20366722741 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-two thousand, seven hundred forty-one".