20301268433 has 2 divisors, whose sum is σ = 20301268434. Its totient is φ = 20301268432.

The previous prime is 20301268411. The next prime is 20301268451. The reversal of 20301268433 is 33486210302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18880958464 + 1420309969 = 137408^2 + 37687^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301268433 - 2¹⁰ = 20301267409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20301268433.

It is not a weakly prime, because it can be changed into another prime (20301268483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150634216 + 10150634217.

It is an arithmetic number, because the mean of its divisors is an integer number (10150634217).

Almost surely, 2^20301268433 is an apocalyptic number.

It is an amenable number.

20301268433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301268433 is an equidigital number, since it uses as much as digits as its factorization.

20301268433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20301268433 its reverse (33486210302), we get a palindrome (53787478735).

The spelling of 20301268433 in words is "twenty billion, three hundred one million, two hundred sixty-eight thousand, four hundred thirty-three".