20112514393 has 2 divisors, whose sum is σ = 20112514394. Its totient is φ = 20112514392.

The previous prime is 20112514379. The next prime is 20112514439. The reversal of 20112514393 is 39341521102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19990566544 + 121947849 = 141388^2 + 11043^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112514393 - 2¹³ = 20112506201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112514363) 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, 10056257196 + 10056257197.

It is an arithmetic number, because the mean of its divisors is an integer number (10056257197).

Almost surely, 2^20112514393 is an apocalyptic number.

It is an amenable number.

20112514393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112514393 is an equidigital number, since it uses as much as digits as its factorization.

20112514393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 20112514393 in words is "twenty billion, one hundred twelve million, five hundred fourteen thousand, three hundred ninety-three".