2020053638563 has 2 divisors, whose sum is σ = 2020053638564. Its totient is φ = 2020053638562.

The previous prime is 2020053638549. The next prime is 2020053638599. The reversal of 2020053638563 is 3658363500202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020053638563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020053638543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010026819281 + 1010026819282.

It is an arithmetic number, because the mean of its divisors is an integer number (1010026819282).

Almost surely, 2^{2020053638563} is an apocalyptic number.

2020053638563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020053638563 is an equidigital number, since it uses as much as digits as its factorization.

2020053638563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 2020053638563 in words is "two trillion, twenty billion, fifty-three million, six hundred thirty-eight thousand, five hundred sixty-three".