1020204143297 has 2 divisors, whose sum is σ = 1020204143298. Its totient is φ = 1020204143296.

The previous prime is 1020204143281. The next prime is 1020204143339. The reversal of 1020204143297 is 7923414020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902653906561 + 117550236736 = 950081^2 + 342856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020204143297 - 2⁴ = 1020204143281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020204143597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510102071648 + 510102071649.

It is an arithmetic number, because the mean of its divisors is an integer number (510102071649).

Almost surely, 2^{1020204143297} is an apocalyptic number.

It is an amenable number.

1020204143297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020204143297 is an equidigital number, since it uses as much as digits as its factorization.

1020204143297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 1020204143297 its reverse (7923414020201), we get a palindrome (8943618163498).

The spelling of 1020204143297 in words is "one trillion, twenty billion, two hundred four million, one hundred forty-three thousand, two hundred ninety-seven".