20032230247 has 2 divisors, whose sum is σ = 20032230248. Its totient is φ = 20032230246.

The previous prime is 20032230191. The next prime is 20032230263. The reversal of 20032230247 is 74203223002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20032230247 - 2¹¹ = 20032228199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032240247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016115123 + 10016115124.

It is an arithmetic number, because the mean of its divisors is an integer number (10016115124).

Almost surely, 2^20032230247 is an apocalyptic number.

20032230247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032230247 is an equidigital number, since it uses as much as digits as its factorization.

20032230247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 20032230247 its reverse (74203223002), we get a palindrome (94235453249).

The spelling of 20032230247 in words is "twenty billion, thirty-two million, two hundred thirty thousand, two hundred forty-seven".