220130429 has 2 divisors, whose sum is σ = 220130430. Its totient is φ = 220130428.

The previous prime is 220130413. The next prime is 220130431. The reversal of 220130429 is 924031022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196140025 + 23990404 = 14005^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 220130429 - 2⁴ = 220130413 is a prime.

Together with 220130431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220130479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110065214 + 110065215.

It is an arithmetic number, because the mean of its divisors is an integer number (110065215).

Almost surely, 2^220130429 is an apocalyptic number.

It is an amenable number.

220130429 is a deficient number, since it is larger than the sum of its proper divisors (1).

220130429 is an equidigital number, since it uses as much as digits as its factorization.

220130429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 220130429 is about 14836.7930834126. The cubic root of 220130429 is about 603.8003493825.

The spelling of 220130429 in words is "two hundred twenty million, one hundred thirty thousand, four hundred twenty-nine".