20005112015683 has 2 divisors, whose sum is σ = 20005112015684. Its totient is φ = 20005112015682.

The previous prime is 20005112015671. The next prime is 20005112015783. The reversal of 20005112015683 is 38651021150002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20005112015683 - 2³³ = 19996522081091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20005112015783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002556007841 + 10002556007842.

It is an arithmetic number, because the mean of its divisors is an integer number (10002556007842).

Almost surely, 2^{20005112015683} is an apocalyptic number.

20005112015683 is a deficient number, since it is larger than the sum of its proper divisors (1).

20005112015683 is an equidigital number, since it uses as much as digits as its factorization.

20005112015683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 20005112015683 its reverse (38651021150002), we get a palindrome (58656133165685).

The spelling of 20005112015683 in words is "twenty trillion, five billion, one hundred twelve million, fifteen thousand, six hundred eighty-three".