20468254 has 4 divisors (see below), whose sum is σ = 30702384. Its totient is φ = 10234126.

The previous prime is 20468237. The next prime is 20468281. The reversal of 20468254 is 45286402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5117062 + ... + 5117065.

It is an arithmetic number, because the mean of its divisors is an integer number (7675596).

Almost surely, 2^20468254 is an apocalyptic number.

20468254 is a deficient number, since it is larger than the sum of its proper divisors (10234130).

20468254 is a wasteful number, since it uses less digits than its factorization.

20468254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234129.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 20468254 is about 4524.1854515482. The cubic root of 20468254 is about 273.5438357949.

The spelling of 20468254 in words is "twenty million, four hundred sixty-eight thousand, two hundred fifty-four".