20468433 has 8 divisors (see below), whose sum is σ = 27698848. Its totient is φ = 13441824.

The previous prime is 20468431. The next prime is 20468447. The reversal of 20468433 is 33486402.

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

It is not a de Polignac number, because 20468433 - 2¹ = 20468431 is a prime.

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 20468433.

It is not an unprimeable number, because it can be changed into a prime (20468431) 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, 50716 + ... + 51117.

It is an arithmetic number, because the mean of its divisors is an integer number (3462356).

Almost surely, 2^20468433 is an apocalyptic number.

It is an amenable number.

20468433 is a deficient number, since it is larger than the sum of its proper divisors (7230415).

20468433 is a wasteful number, since it uses less digits than its factorization.

20468433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101903.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 20468433 is about 4524.2052340715. The cubic root of 20468433 is about 273.5446331956.

The spelling of 20468433 in words is "twenty million, four hundred sixty-eight thousand, four hundred thirty-three".