20452845463 has 2 divisors, whose sum is σ = 20452845464. Its totient is φ = 20452845462.

The previous prime is 20452845437. The next prime is 20452845509. The reversal of 20452845463 is 36454825402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20452845463 - 2¹⁷ = 20452714391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20452845403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226422731 + 10226422732.

It is an arithmetic number, because the mean of its divisors is an integer number (10226422732).

Almost surely, 2^20452845463 is an apocalyptic number.

20452845463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20452845463 is an equidigital number, since it uses as much as digits as its factorization.

20452845463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 20452845463 in words is "twenty billion, four hundred fifty-two million, eight hundred forty-five thousand, four hundred sixty-three".