20014229 has 2 divisors, whose sum is σ = 20014230. Its totient is φ = 20014228.

The previous prime is 20014223. The next prime is 20014237. The reversal of 20014229 is 92241002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 5650129 = 3790^2 + 2377^2 .

It is a cyclic number.

It is not a de Polignac number, because 20014229 - 2⁴ = 20014213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20014229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20014223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007114 + 10007115.

It is an arithmetic number, because the mean of its divisors is an integer number (10007115).

Almost surely, 2^20014229 is an apocalyptic number.

It is an amenable number.

20014229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014229 is an equidigital number, since it uses as much as digits as its factorization.

20014229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20014229 is about 4473.7265227101. The cubic root of 20014229 is about 271.5061188134.

The spelling of 20014229 in words is "twenty million, fourteen thousand, two hundred twenty-nine".