20532743603 has 2 divisors, whose sum is σ = 20532743604. Its totient is φ = 20532743602.

The previous prime is 20532743537. The next prime is 20532743641. The reversal of 20532743603 is 30634723502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20532743603 - 2²⁰ = 20531695027 is a prime.

It is not a weakly prime, because it can be changed into another prime (20532743003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266371801 + 10266371802.

It is an arithmetic number, because the mean of its divisors is an integer number (10266371802).

Almost surely, 2^20532743603 is an apocalyptic number.

20532743603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20532743603 is an equidigital number, since it uses as much as digits as its factorization.

20532743603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 20532743603 in words is "twenty billion, five hundred thirty-two million, seven hundred forty-three thousand, six hundred three".