420132269 has 2 divisors, whose sum is σ = 420132270. Its totient is φ = 420132268.

The previous prime is 420132227. The next prime is 420132341. The reversal of 420132269 is 962231024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 174583369 = 15670^2 + 13213^2 .

It is a cyclic number.

It is not a de Polignac number, because 420132269 - 2²⁴ = 403355053 is a prime.

It is a super-2 number, since 2×420132269² = 353022246910176722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420131269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210066134 + 210066135.

It is an arithmetic number, because the mean of its divisors is an integer number (210066135).

Almost surely, 2^420132269 is an apocalyptic number.

It is an amenable number.

420132269 is a deficient number, since it is larger than the sum of its proper divisors (1).

420132269 is an equidigital number, since it uses as much as digits as its factorization.

420132269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 420132269 is about 20497.1283110586. The cubic root of 420132269 is about 748.9658452057.

The spelling of 420132269 in words is "four hundred twenty million, one hundred thirty-two thousand, two hundred sixty-nine".