20732405741 has 2 divisors, whose sum is σ = 20732405742. Its totient is φ = 20732405740.

The previous prime is 20732405719. The next prime is 20732405761. The reversal of 20732405741 is 14750423702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14178855625 + 6553550116 = 119075^2 + 80954^2 .

It is a cyclic number.

It is not a de Polignac number, because 20732405741 - 2¹⁰ = 20732404717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20732405761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10366202870 + 10366202871.

It is an arithmetic number, because the mean of its divisors is an integer number (10366202871).

Almost surely, 2^20732405741 is an apocalyptic number.

It is an amenable number.

20732405741 is a deficient number, since it is larger than the sum of its proper divisors (1).

20732405741 is an equidigital number, since it uses as much as digits as its factorization.

20732405741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 20732405741 in words is "twenty billion, seven hundred thirty-two million, four hundred five thousand, seven hundred forty-one".