2020426566 has 16 divisors (see below), whose sum is σ = 4041320688. Its totient is φ = 673397600.

The previous prime is 2020426561. The next prime is 2020426571. The reversal of 2020426566 is 6656240202.

It is an interprime number because it is at equal distance from previous prime (2020426561) and next prime (2020426571).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020426561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64636 + ... + 90656.

It is an arithmetic number, because the mean of its divisors is an integer number (252582543).

Almost surely, 2^2020426566 is an apocalyptic number.

2020426566 is an abundant number, since it is smaller than the sum of its proper divisors (2020894122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020426566 is a wasteful number, since it uses less digits than its factorization.

2020426566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38967.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2020426566 is about 44949.1553424533. The cubic root of 2020426566 is about 1264.1958396252.

Adding to 2020426566 its reverse (6656240202), we get a palindrome (8676666768).

The spelling of 2020426566 in words is "two billion, twenty million, four hundred twenty-six thousand, five hundred sixty-six".