20384468 has 24 divisors (see below), whose sum is σ = 38887968. Its totient is φ = 9292896.

The previous prime is 20384443. The next prime is 20384491. The reversal of 20384468 is 86448302.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (1620332).

Almost surely, 2^20384468 is an apocalyptic number.

It is an amenable number.

20384468 is a deficient number, since it is larger than the sum of its proper divisors (18503500).

20384468 is a wasteful number, since it uses less digits than its factorization.

20384468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823 (or 4821 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 20384468 is about 4514.9161675495. The cubic root of 20384468 is about 273.1700783327.

The spelling of 20384468 in words is "twenty million, three hundred eighty-four thousand, four hundred sixty-eight".