2066020071 has 4 divisors (see below), whose sum is σ = 2754693432. Its totient is φ = 1377346712.

The previous prime is 2066020063. The next prime is 2066020091. The reversal of 2066020071 is 1700206602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2066020071 - 2³ = 2066020063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066020091) 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, 344336676 + ... + 344336681.

It is an arithmetic number, because the mean of its divisors is an integer number (688673358).

Almost surely, 2^2066020071 is an apocalyptic number.

2066020071 is a deficient number, since it is larger than the sum of its proper divisors (688673361).

2066020071 is an equidigital number, since it uses as much as digits as its factorization.

2066020071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688673360.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2066020071 is about 45453.4934960999. The cubic root of 2066020071 is about 1273.6345902716.

Adding to 2066020071 its reverse (1700206602), we get a palindrome (3766226673).

The spelling of 2066020071 in words is "two billion, sixty-six million, twenty thousand, seventy-one".