200120429 has 2 divisors, whose sum is σ = 200120430. Its totient is φ = 200120428.

The previous prime is 200120419. The next prime is 200120449. The reversal of 200120429 is 924021002.

It is an a-pointer prime, because the next prime (200120449) can be obtained adding 200120429 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195160900 + 4959529 = 13970^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120429 - 2²⁴ = 183343213 is a prime.

It is a super-2 number, since 2×200120429² = 80096372206288082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200120429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120419) 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, 100060214 + 100060215.

It is an arithmetic number, because the mean of its divisors is an integer number (100060215).

Almost surely, 2^200120429 is an apocalyptic number.

It is an amenable number.

200120429 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120429 is an equidigital number, since it uses as much as digits as its factorization.

200120429 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 200120429 is about 14146.3927910970. The cubic root of 200120429 is about 584.9209029348.

The spelling of 200120429 in words is "two hundred million, one hundred twenty thousand, four hundred twenty-nine".