20468976 has 40 divisors (see below), whose sum is σ = 57686784. Its totient is φ = 6202560.

The previous prime is 20468957. The next prime is 20468999. The reversal of 20468976 is 67986402.

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 in 7 ways as a sum of consecutive naturals, for example, 18856 + ... + 19911.

Almost surely, 2^20468976 is an apocalyptic number.

It is an amenable number.

20468976 is an abundant number, since it is smaller than the sum of its proper divisors (37217808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20468976 is a wasteful number, since it uses less digits than its factorization.

20468976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38789 (or 38783 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 20468976 is about 4524.2652442137. The cubic root of 20468976 is about 273.5470520980.

It can be divided in two parts, 20 and 468976, that added together give a triangular number (468996 = T₉₆₈).

The spelling of 20468976 in words is "twenty million, four hundred sixty-eight thousand, nine hundred seventy-six".