20213452229 has 2 divisors, whose sum is σ = 20213452230. Its totient is φ = 20213452228.

The previous prime is 20213452219. The next prime is 20213452247. The reversal of 20213452229 is 92225431202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10779215329 + 9434236900 = 103823^2 + 97130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20213452229 - 2¹⁶ = 20213386693 is a prime.

It is a super-3 number, since 3×20213452229³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213452195 and 20213452204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20213452219) 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, 10106726114 + 10106726115.

It is an arithmetic number, because the mean of its divisors is an integer number (10106726115).

Almost surely, 2^20213452229 is an apocalyptic number.

It is an amenable number.

20213452229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213452229 is an equidigital number, since it uses as much as digits as its factorization.

20213452229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20213452229 in words is "twenty billion, two hundred thirteen million, four hundred fifty-two thousand, two hundred twenty-nine".