10020543454567 has 2 divisors, whose sum is σ = 10020543454568. Its totient is φ = 10020543454566.

The previous prime is 10020543454547. The next prime is 10020543454577. The reversal of 10020543454567 is 76545434502001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020543454567 is a prime.

It is a super-2 number, since 2×10020543454567² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020543454517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010271727283 + 5010271727284.

It is an arithmetic number, because the mean of its divisors is an integer number (5010271727284).

Almost surely, 2^{10020543454567} is an apocalyptic number.

10020543454567 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020543454567 is an equidigital number, since it uses as much as digits as its factorization.

10020543454567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 46.

Adding to 10020543454567 its reverse (76545434502001), we get a palindrome (86565977956568).

The spelling of 10020543454567 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred sixty-seven".