20030194753 has 2 divisors, whose sum is σ = 20030194754. Its totient is φ = 20030194752.

The previous prime is 20030194729. The next prime is 20030194771. The reversal of 20030194753 is 35749103002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18325578384 + 1704616369 = 135372^2 + 41287^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030194753 - 2⁵ = 20030194721 is a prime.

It is a super-3 number, since 3×20030194753³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20030194783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015097376 + 10015097377.

It is an arithmetic number, because the mean of its divisors is an integer number (10015097377).

Almost surely, 2^20030194753 is an apocalyptic number.

It is an amenable number.

20030194753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030194753 is an equidigital number, since it uses as much as digits as its factorization.

20030194753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 20030194753 its reverse (35749103002), we get a palindrome (55779297755).

The spelling of 20030194753 in words is "twenty billion, thirty million, one hundred ninety-four thousand, seven hundred fifty-three".