2066021147 has 2 divisors, whose sum is σ = 2066021148. Its totient is φ = 2066021146.

The previous prime is 2066021053. The next prime is 2066021173. The reversal of 2066021147 is 7411206602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066021147 - 2¹⁰ = 2066020123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066021197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033010573 + 1033010574.

It is an arithmetic number, because the mean of its divisors is an integer number (1033010574).

Almost surely, 2^2066021147 is an apocalyptic number.

2066021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066021147 is an equidigital number, since it uses as much as digits as its factorization.

2066021147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2066021147 is about 45453.5053323723. The cubic root of 2066021147 is about 1273.6348113780.

Adding to 2066021147 its reverse (7411206602), we get a palindrome (9477227749).

The spelling of 2066021147 in words is "two billion, sixty-six million, twenty-one thousand, one hundred forty-seven".