20533416467 has 2 divisors, whose sum is σ = 20533416468. Its totient is φ = 20533416466.

The previous prime is 20533416461. The next prime is 20533416469. The reversal of 20533416467 is 76461433502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20533416467 - 2³⁴ = 3353547283 is a prime.

Together with 20533416469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20533416461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266708233 + 10266708234.

It is an arithmetic number, because the mean of its divisors is an integer number (10266708234).

Almost surely, 2^20533416467 is an apocalyptic number.

20533416467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20533416467 is an equidigital number, since it uses as much as digits as its factorization.

20533416467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 20533416467 its reverse (76461433502), we get a palindrome (96994849969).

The spelling of 20533416467 in words is "twenty billion, five hundred thirty-three million, four hundred sixteen thousand, four hundred sixty-seven".