20832229 has 8 divisors (see below), whose sum is σ = 23038272. Its totient is φ = 18678240.

The previous prime is 20832209. The next prime is 20832239. The reversal of 20832229 is 92223802.

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

It is a cyclic number.

It is not a de Polignac number, because 20832229 - 2⁵ = 20832197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20832197 and 20832206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832209) 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, 12169 + ... + 13774.

It is an arithmetic number, because the mean of its divisors is an integer number (2879784).

Almost surely, 2^20832229 is an apocalyptic number.

It is an amenable number.

20832229 is a deficient number, since it is larger than the sum of its proper divisors (2206043).

20832229 is a wasteful number, since it uses less digits than its factorization.

20832229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26027.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20832229 is about 4564.2336706177. The cubic root of 20832229 is about 275.1557420842.

The spelling of 20832229 in words is "twenty million, eight hundred thirty-two thousand, two hundred twenty-nine".