20462132563 has 2 divisors, whose sum is σ = 20462132564. Its totient is φ = 20462132562.

The previous prime is 20462132557. The next prime is 20462132567. The reversal of 20462132563 is 36523126402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20462132563 is a prime.

It is not a weakly prime, because it can be changed into another prime (20462132567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231066281 + 10231066282.

It is an arithmetic number, because the mean of its divisors is an integer number (10231066282).

Almost surely, 2^20462132563 is an apocalyptic number.

20462132563 is a deficient number, since it is larger than the sum of its proper divisors (1).

20462132563 is an equidigital number, since it uses as much as digits as its factorization.

20462132563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 20462132563 its reverse (36523126402), we get a palindrome (56985258965).

The spelling of 20462132563 in words is "twenty billion, four hundred sixty-two million, one hundred thirty-two thousand, five hundred sixty-three".