20468426 has 16 divisors (see below), whose sum is σ = 33920640. Its totient is φ = 9185280.

The previous prime is 20468423. The next prime is 20468431. The reversal of 20468426 is 62486402.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20468392 and 20468401.

It is not an unprimeable number, because it can be changed into a prime (20468423) 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, 4151 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (2120040).

Almost surely, 2^20468426 is an apocalyptic number.

20468426 is a deficient number, since it is larger than the sum of its proper divisors (13452214).

20468426 is a wasteful number, since it uses less digits than its factorization.

20468426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 20468426 is about 4524.2044604549. The cubic root of 20468426 is about 273.5446020125.

The spelling of 20468426 in words is "twenty million, four hundred sixty-eight thousand, four hundred twenty-six".