20632207243 has 2 divisors, whose sum is σ = 20632207244. Its totient is φ = 20632207242.

The previous prime is 20632207207. The next prime is 20632207259. The reversal of 20632207243 is 34270223602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20632207243 is a prime.

It is a super-3 number, since 3×20632207243³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (20632207273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10316103621 + 10316103622.

It is an arithmetic number, because the mean of its divisors is an integer number (10316103622).

Almost surely, 2^20632207243 is an apocalyptic number.

20632207243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20632207243 is an equidigital number, since it uses as much as digits as its factorization.

20632207243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 20632207243 in words is "twenty billion, six hundred thirty-two million, two hundred seven thousand, two hundred forty-three".