20469283 has 8 divisors (see below), whose sum is σ = 20919600. Its totient is φ = 20022528.

The previous prime is 20469233. The next prime is 20469311. The reversal of 20469283 is 38296402.

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 20469283 - 2⁹ = 20468771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20469203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13003 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (2614950).

Almost surely, 2^20469283 is an apocalyptic number.

20469283 is a deficient number, since it is larger than the sum of its proper divisors (450317).

20469283 is a wasteful number, since it uses less digits than its factorization.

20469283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 20469283 is about 4524.2991722476. The cubic root of 20469283 is about 273.5484196721.

The spelling of 20469283 in words is "twenty million, four hundred sixty-nine thousand, two hundred eighty-three".