1020730889207 has 2 divisors, whose sum is σ = 1020730889208. Its totient is φ = 1020730889206.

The previous prime is 1020730889161. The next prime is 1020730889261. The reversal of 1020730889207 is 7029880370201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020730889207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020730886207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510365444603 + 510365444604.

It is an arithmetic number, because the mean of its divisors is an integer number (510365444604).

Almost surely, 2^{1020730889207} is an apocalyptic number.

1020730889207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020730889207 is an equidigital number, since it uses as much as digits as its factorization.

1020730889207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 1020730889207 in words is "one trillion, twenty billion, seven hundred thirty million, eight hundred eighty-nine thousand, two hundred seven".