20283329 has 16 divisors (see below), whose sum is σ = 23742720. Its totient is φ = 17122560.

The previous prime is 20283323. The next prime is 20283343. The reversal of 20283329 is 92338202.

It is a cyclic number.

It is not a de Polignac number, because 20283329 - 2⁴ = 20283313 is a prime.

It is a super-2 number, since 2×20283329² = 822826870644482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20283323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14087 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (1483920).

Almost surely, 2^20283329 is an apocalyptic number.

It is an amenable number.

20283329 is a deficient number, since it is larger than the sum of its proper divisors (3459391).

20283329 is a wasteful number, since it uses less digits than its factorization.

20283329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20283329 is about 4503.7016997132. The cubic root of 20283329 is about 272.7175447675.

The spelling of 20283329 in words is "twenty million, two hundred eighty-three thousand, three hundred twenty-nine".