20354461632467 has 2 divisors, whose sum is σ = 20354461632468. Its totient is φ = 20354461632466.

The previous prime is 20354461632437. The next prime is 20354461632469. The reversal of 20354461632467 is 76423616445302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20354461632467 is a prime.

Together with 20354461632469, 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 (20354461632469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10177230816233 + 10177230816234.

It is an arithmetic number, because the mean of its divisors is an integer number (10177230816234).

Almost surely, 2^{20354461632467} is an apocalyptic number.

20354461632467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20354461632467 is an equidigital number, since it uses as much as digits as its factorization.

20354461632467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 20354461632467 in words is "twenty trillion, three hundred fifty-four billion, four hundred sixty-one million, six hundred thirty-two thousand, four hundred sixty-seven".