2020575378566 has 16 divisors (see below), whose sum is σ = 3141813774240. Its totient is φ = 973447191360.

The previous prime is 2020575378559. The next prime is 2020575378581. The reversal of 2020575378566 is 6658735750202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35739215 + ... + 35795706.

It is an arithmetic number, because the mean of its divisors is an integer number (196363360890).

Almost surely, 2^{2020575378566} is an apocalyptic number.

2020575378566 is a deficient number, since it is larger than the sum of its proper divisors (1121238395674).

2020575378566 is a wasteful number, since it uses less digits than its factorization.

2020575378566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71535439.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 2020575378566 in words is "two trillion, twenty billion, five hundred seventy-five million, three hundred seventy-eight thousand, five hundred sixty-six".