29320 has 16 divisors (see below), whose sum is σ = 66060. Its totient is φ = 11712.

The previous prime is 29311. The next prime is 29327. The reversal of 29320 is 2392.

29320 = 37² + 38² + ... + 51².

It can be written as a sum of positive squares in 2 ways, for example, as 27556 + 1764 = 166^2 + 42^2 .

It is an Ulam number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 29294 and 29303.

It is not an unprimeable number, because it can be changed into a prime (29327) by changing a digit.

29320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327 + ... + 406.

2²⁹³²⁰ is an apocalyptic number.

29320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29320 is an abundant number, since it is smaller than the sum of its proper divisors (36740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33030).

29320 is a wasteful number, since it uses less digits than its factorization.

29320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 29320 is about 171.2308383440. The cubic root of 29320 is about 30.8357598934.

It can be divided in two parts, 293 and 20, that added together give a palindrome (313).

The spelling of 29320 in words is "twenty-nine thousand, three hundred twenty".