2020586353861 has 4 divisors (see below), whose sum is σ = 2022020412300. Its totient is φ = 2019152295424.

The previous prime is 2020586353829. The next prime is 2020586353879. The reversal of 2020586353861 is 1683536850202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 797779444225 + 1222806909636 = 893185^2 + 1105806^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020586353861 - 2⁵ = 2020586353829 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020586353811) 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, 717027106 + ... + 717029923.

It is an arithmetic number, because the mean of its divisors is an integer number (505505103075).

Almost surely, 2^{2020586353861} is an apocalyptic number.

It is an amenable number.

2020586353861 is a deficient number, since it is larger than the sum of its proper divisors (1434058439).

2020586353861 is a wasteful number, since it uses less digits than its factorization.

2020586353861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434058438.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 2020586353861 in words is "two trillion, twenty billion, five hundred eighty-six million, three hundred fifty-three thousand, eight hundred sixty-one".