20030702773 has 2 divisors, whose sum is σ = 20030702774. Its totient is φ = 20030702772.

The previous prime is 20030702759. The next prime is 20030702777. The reversal of 20030702773 is 37720703002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17468115889 + 2562586884 = 132167^2 + 50622^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030702773 - 2¹³ = 20030694581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030702777) 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, 10015351386 + 10015351387.

It is an arithmetic number, because the mean of its divisors is an integer number (10015351387).

Almost surely, 2^20030702773 is an apocalyptic number.

It is an amenable number.

20030702773 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030702773 is an equidigital number, since it uses as much as digits as its factorization.

20030702773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 31.

The spelling of 20030702773 in words is "twenty billion, thirty million, seven hundred two thousand, seven hundred seventy-three".