2020555143553 has 2 divisors, whose sum is σ = 2020555143554. Its totient is φ = 2020555143552.

The previous prime is 2020555143547. The next prime is 2020555143557. The reversal of 2020555143553 is 3553415550202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019857761089 + 697382464 = 1421217^2 + 26408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020555143553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020555143557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010277571776 + 1010277571777.

It is an arithmetic number, because the mean of its divisors is an integer number (1010277571777).

Almost surely, 2^{2020555143553} is an apocalyptic number.

It is an amenable number.

2020555143553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020555143553 is an equidigital number, since it uses as much as digits as its factorization.

2020555143553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 2020555143553 in words is "two trillion, twenty billion, five hundred fifty-five million, one hundred forty-three thousand, five hundred fifty-three".