20434320301 has 2 divisors, whose sum is σ = 20434320302. Its totient is φ = 20434320300.

The previous prime is 20434320271. The next prime is 20434320323. The reversal of 20434320301 is 10302343402.

It is a happy number.

It is an a-pointer prime, because the next prime (20434320323) can be obtained adding 20434320301 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10409304676 + 10025015625 = 102026^2 + 100125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20434320301 is a prime.

It is a super-2 number, since 2×20434320301² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20434320341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217160150 + 10217160151.

It is an arithmetic number, because the mean of its divisors is an integer number (10217160151).

Almost surely, 2^20434320301 is an apocalyptic number.

It is an amenable number.

20434320301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434320301 is an equidigital number, since it uses as much as digits as its factorization.

20434320301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20434320301 its reverse (10302343402), we get a palindrome (30736663703).

The spelling of 20434320301 in words is "twenty billion, four hundred thirty-four million, three hundred twenty thousand, three hundred one".