20330001229 has 2 divisors, whose sum is σ = 20330001230. Its totient is φ = 20330001228.

The previous prime is 20330001203. The next prime is 20330001233. The reversal of 20330001229 is 92210003302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19883820100 + 446181129 = 141010^2 + 21123^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330001229 - 2¹⁷ = 20329870157 is a prime.

It is a super-2 number, since 2×20330001229² (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 (20330005229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165000614 + 10165000615.

It is an arithmetic number, because the mean of its divisors is an integer number (10165000615).

Almost surely, 2^20330001229 is an apocalyptic number.

It is an amenable number.

20330001229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330001229 is an equidigital number, since it uses as much as digits as its factorization.

20330001229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 20330001229 in words is "twenty billion, three hundred thirty million, one thousand, two hundred twenty-nine".