1920302297 has 2 divisors, whose sum is σ = 1920302298. Its totient is φ = 1920302296.

The previous prime is 1920302291. The next prime is 1920302311. The reversal of 1920302297 is 7922030291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185838096 + 734464201 = 34436^2 + 27101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1920302297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1920302291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960151148 + 960151149.

It is an arithmetic number, because the mean of its divisors is an integer number (960151149).

Almost surely, 2^1920302297 is an apocalyptic number.

It is an amenable number.

1920302297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1920302297 is an equidigital number, since it uses as much as digits as its factorization.

1920302297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1920302297 is about 43821.2539414381. The cubic root of 1920302297 is about 1242.9582286157.

The spelling of 1920302297 in words is "one billion, nine hundred twenty million, three hundred two thousand, two hundred ninety-seven".