2020454663 has 2 divisors, whose sum is σ = 2020454664. Its totient is φ = 2020454662.

The previous prime is 2020454633. The next prime is 2020454687. The reversal of 2020454663 is 3664540202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020454663 - 2⁸ = 2020454407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020454603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010227331 + 1010227332.

It is an arithmetic number, because the mean of its divisors is an integer number (1010227332).

Almost surely, 2^2020454663 is an apocalyptic number.

2020454663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020454663 is an equidigital number, since it uses as much as digits as its factorization.

2020454663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2020454663 is about 44949.4678833910. The cubic root of 2020454663 is about 1264.2016997649.

Adding to 2020454663 its reverse (3664540202), we get a palindrome (5684994865).

The spelling of 2020454663 in words is "two billion, twenty million, four hundred fifty-four thousand, six hundred sixty-three".