1000820063 has 2 divisors, whose sum is σ = 1000820064. Its totient is φ = 1000820062.

The previous prime is 1000820011. The next prime is 1000820069. The reversal of 1000820063 is 3600280001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000820063 - 2¹² = 1000815967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000820069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500410031 + 500410032.

It is an arithmetic number, because the mean of its divisors is an integer number (500410032).

Almost surely, 2^1000820063 is an apocalyptic number.

1000820063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000820063 is an equidigital number, since it uses as much as digits as its factorization.

1000820063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1000820063 is about 31635.7402789946. The cubic root of 1000820063 is about 1000.2732796448.

The spelling of 1000820063 in words is "one billion, eight hundred twenty thousand, sixty-three".