20310330149 has 2 divisors, whose sum is σ = 20310330150. Its totient is φ = 20310330148.

The previous prime is 20310330059. The next prime is 20310330163. The reversal of 20310330149 is 94103301302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11701830625 + 8608499524 = 108175^2 + 92782^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310330149 - 2¹⁶ = 20310264613 is a prime.

It is a super-2 number, since 2×20310330149² (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 (20310330449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155165074 + 10155165075.

It is an arithmetic number, because the mean of its divisors is an integer number (10155165075).

Almost surely, 2^20310330149 is an apocalyptic number.

It is an amenable number.

20310330149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310330149 is an equidigital number, since it uses as much as digits as its factorization.

20310330149 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 26.

The spelling of 20310330149 in words is "twenty billion, three hundred ten million, three hundred thirty thousand, one hundred forty-nine".