20001760393 has 2 divisors, whose sum is σ = 20001760394. Its totient is φ = 20001760392.

The previous prime is 20001760381. The next prime is 20001760501. The reversal of 20001760393 is 39306710002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13077523449 + 6924236944 = 114357^2 + 83212^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001760393 - 2¹³ = 20001752201 is a prime.

It is a super-3 number, since 3×20001760393³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20001760993) 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, 10000880196 + 10000880197.

It is an arithmetic number, because the mean of its divisors is an integer number (10000880197).

Almost surely, 2^20001760393 is an apocalyptic number.

It is an amenable number.

20001760393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001760393 is an equidigital number, since it uses as much as digits as its factorization.

20001760393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 20001760393 in words is "twenty billion, one million, seven hundred sixty thousand, three hundred ninety-three".