320830069 has 8 divisors (see below), whose sum is σ = 388231488. Its totient is φ = 258820800.

The previous prime is 320830061. The next prime is 320830073. The reversal of 320830069 is 960038023.

It is a happy number.

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

It is not a de Polignac number, because 320830069 - 2³ = 320830061 is a prime.

It is a super-2 number, since 2×320830069² = 205863866349089522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320830069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320830061) 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, 1347907 + ... + 1348144.

It is an arithmetic number, because the mean of its divisors is an integer number (48528936).

Almost surely, 2^320830069 is an apocalyptic number.

It is an amenable number.

320830069 is a deficient number, since it is larger than the sum of its proper divisors (67401419).

320830069 is a wasteful number, since it uses less digits than its factorization.

320830069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696075.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 320830069 is about 17911.7299276201. The cubic root of 320830069 is about 684.5812838789.

The spelling of 320830069 in words is "three hundred twenty million, eight hundred thirty thousand, sixty-nine".