20632564530503 has 2 divisors, whose sum is σ = 20632564530504. Its totient is φ = 20632564530502.

The previous prime is 20632564530491. The next prime is 20632564530509. The reversal of 20632564530503 is 30503546523602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20632564530503 - 2²⁴ = 20632547753287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20632564530509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10316282265251 + 10316282265252.

It is an arithmetic number, because the mean of its divisors is an integer number (10316282265252).

Almost surely, 2^{20632564530503} is an apocalyptic number.

20632564530503 is a deficient number, since it is larger than the sum of its proper divisors (1).

20632564530503 is an equidigital number, since it uses as much as digits as its factorization.

20632564530503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 20632564530503 in words is "twenty trillion, six hundred thirty-two billion, five hundred sixty-four million, five hundred thirty thousand, five hundred three".