20422114406563 has 2 divisors, whose sum is σ = 20422114406564. Its totient is φ = 20422114406562.

The previous prime is 20422114406423. The next prime is 20422114406569. The reversal of 20422114406563 is 36560441122402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20422114406563 - 2⁹ = 20422114406051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20422114406569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211057203281 + 10211057203282.

It is an arithmetic number, because the mean of its divisors is an integer number (10211057203282).

Almost surely, 2^{20422114406563} is an apocalyptic number.

20422114406563 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422114406563 is an equidigital number, since it uses as much as digits as its factorization.

20422114406563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 20422114406563 its reverse (36560441122402), we get a palindrome (56982555528965).

The spelling of 20422114406563 in words is "twenty trillion, four hundred twenty-two billion, one hundred fourteen million, four hundred six thousand, five hundred sixty-three".