20334030901 has 2 divisors, whose sum is σ = 20334030902. Its totient is φ = 20334030900.

The previous prime is 20334030887. The next prime is 20334030929. The reversal of 20334030901 is 10903043302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16371202500 + 3962828401 = 127950^2 + 62951^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334030901 - 2¹⁵ = 20333998133 is a prime.

It is a super-3 number, since 3×20334030901³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334030931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167015450 + 10167015451.

It is an arithmetic number, because the mean of its divisors is an integer number (10167015451).

Almost surely, 2^20334030901 is an apocalyptic number.

It is an amenable number.

20334030901 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334030901 is an equidigital number, since it uses as much as digits as its factorization.

20334030901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 20334030901 in words is "twenty billion, three hundred thirty-four million, thirty thousand, nine hundred one".