2020566026063 has 4 divisors (see below), whose sum is σ = 2175994181928. Its totient is φ = 1865137870200.

The previous prime is 2020566026021. The next prime is 2020566026081. The reversal of 2020566026063 is 3606206650202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020566026063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020566026093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77714077913 + ... + 77714077938.

It is an arithmetic number, because the mean of its divisors is an integer number (543998545482).

Almost surely, 2^{2020566026063} is an apocalyptic number.

2020566026063 is a deficient number, since it is larger than the sum of its proper divisors (155428155865).

2020566026063 is a wasteful number, since it uses less digits than its factorization.

2020566026063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155428155864.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 2020566026063 in words is "two trillion, twenty billion, five hundred sixty-six million, twenty-six thousand, sixty-three".