20301232433 has 2 divisors, whose sum is σ = 20301232434. Its totient is φ = 20301232432.

The previous prime is 20301232381. The next prime is 20301232447. The reversal of 20301232433 is 33423210302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19811407009 + 489825424 = 140753^2 + 22132^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301232433 - 2²⁸ = 20032796977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301232399 and 20301232408.

It is not a weakly prime, because it can be changed into another prime (20301232453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150616216 + 10150616217.

It is an arithmetic number, because the mean of its divisors is an integer number (10150616217).

Almost surely, 2^20301232433 is an apocalyptic number.

It is an amenable number.

20301232433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301232433 is an equidigital number, since it uses as much as digits as its factorization.

20301232433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20301232433 its reverse (33423210302), we get a palindrome (53724442735).

The spelling of 20301232433 in words is "twenty billion, three hundred one million, two hundred thirty-two thousand, four hundred thirty-three".