20065415933243 has 2 divisors, whose sum is σ = 20065415933244. Its totient is φ = 20065415933242.

The previous prime is 20065415933179. The next prime is 20065415933263. The reversal of 20065415933243 is 34233951456002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20065415933243 - 2⁶ = 20065415933179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20065415933263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032707966621 + 10032707966622.

It is an arithmetic number, because the mean of its divisors is an integer number (10032707966622).

Almost surely, 2^{20065415933243} is an apocalyptic number.

20065415933243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20065415933243 is an equidigital number, since it uses as much as digits as its factorization.

20065415933243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 20065415933243 in words is "twenty trillion, sixty-five billion, four hundred fifteen million, nine hundred thirty-three thousand, two hundred forty-three".