1020200239 has 2 divisors, whose sum is σ = 1020200240. Its totient is φ = 1020200238.

The previous prime is 1020200221. The next prime is 1020200257. The reversal of 1020200239 is 9320020201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1020200221) and next prime (1020200257).

It is a cyclic number.

It is not a de Polignac number, because 1020200239 - 2¹¹ = 1020198191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020200219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100119 + 510100120.

It is an arithmetic number, because the mean of its divisors is an integer number (510100120).

Almost surely, 2^1020200239 is an apocalyptic number.

1020200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020200239 is an equidigital number, since it uses as much as digits as its factorization.

1020200239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1020200239 is about 31940.5735546499. The cubic root of 1020200239 is about 1006.6885762059.

The spelling of 1020200239 in words is "one billion, twenty million, two hundred thousand, two hundred thirty-nine".