1020040339 has 2 divisors, whose sum is σ = 1020040340. Its totient is φ = 1020040338.

The previous prime is 1020040291. The next prime is 1020040433. The reversal of 1020040339 is 9330400201.

1020040339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020040339 - 2²³ = 1011651731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020040139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510020169 + 510020170.

It is an arithmetic number, because the mean of its divisors is an integer number (510020170).

Almost surely, 2^1020040339 is an apocalyptic number.

1020040339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020040339 is an equidigital number, since it uses as much as digits as its factorization.

1020040339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1020040339 is about 31938.0703706407. The cubic root of 1020040339 is about 1006.6359793700.

The spelling of 1020040339 in words is "one billion, twenty million, forty thousand, three hundred thirty-nine".