420133229 has 4 divisors (see below), whose sum is σ = 420825984. Its totient is φ = 419440476.

The previous prime is 420133213. The next prime is 420133243. The reversal of 420133229 is 922331024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420133229 - 2⁴ = 420133213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420133198 and 420133207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420133289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345467 + ... + 346680.

It is an arithmetic number, because the mean of its divisors is an integer number (105206496).

Almost surely, 2^420133229 is an apocalyptic number.

It is an amenable number.

420133229 is a deficient number, since it is larger than the sum of its proper divisors (692755).

420133229 is an equidigital number, since it uses as much as digits as its factorization.

420133229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692754.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 420133229 is about 20497.1517289598. The cubic root of 420133229 is about 748.9664156663.

The spelling of 420133229 in words is "four hundred twenty million, one hundred thirty-three thousand, two hundred twenty-nine".