920229 has 8 divisors (see below), whose sum is σ = 1236480. Its totient is φ = 608736.

The previous prime is 920219. The next prime is 920233. The reversal of 920229 is 922029.

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

It is not a de Polignac number, because 920229 - 2⁵ = 920197 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 920199 and 920208.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920229.

It is not an unprimeable number, because it can be changed into a prime (920209) 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, 709 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (154560).

2⁹²⁰²²⁹ is an apocalyptic number.

It is an amenable number.

920229 is a deficient number, since it is larger than the sum of its proper divisors (316251).

920229 is a wasteful number, since it uses less digits than its factorization.

920229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 920229 is about 959.2856717370. The cubic root of 920229 is about 97.2669516206.

The spelling of 920229 in words is "nine hundred twenty thousand, two hundred twenty-nine".