420430269 has 8 divisors (see below), whose sum is σ = 640655680. Its totient is φ = 240245856.

The previous prime is 420430267. The next prime is 420430273. The reversal of 420430269 is 962034024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420430269 - 2¹ = 420430267 is a prime.

It is a super-2 number, since 2×420430269² = 353523222182824722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420430267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010224 + ... + 10010265.

It is an arithmetic number, because the mean of its divisors is an integer number (80081960).

Almost surely, 2^420430269 is an apocalyptic number.

It is an amenable number.

420430269 is a deficient number, since it is larger than the sum of its proper divisors (220225411).

420430269 is a wasteful number, since it uses less digits than its factorization.

420430269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020499.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 420430269 is about 20504.3963334696. The cubic root of 420430269 is about 749.1428839537.

The spelling of 420430269 in words is "four hundred twenty million, four hundred thirty thousand, two hundred sixty-nine".