1010020771 has 2 divisors, whose sum is σ = 1010020772. Its totient is φ = 1010020770.

The previous prime is 1010020757. The next prime is 1010020789. The reversal of 1010020771 is 1770200101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010020771 - 2¹⁹ = 1009496483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010020171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010385 + 505010386.

It is an arithmetic number, because the mean of its divisors is an integer number (505010386).

Almost surely, 2^1010020771 is an apocalyptic number.

1010020771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020771 is an equidigital number, since it uses as much as digits as its factorization.

1010020771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1010020771 is about 31780.8239509299. The cubic root of 1010020771 is about 1003.3291613851.

Adding to 1010020771 its reverse (1770200101), we get a palindrome (2780220872).

The spelling of 1010020771 in words is "one billion, ten million, twenty thousand, seven hundred seventy-one".