20384896 has 32 divisors (see below), whose sum is σ = 46414080. Its totient is φ = 8736000.

The previous prime is 20384879. The next prime is 20384899. The reversal of 20384896 is 69848302.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (20384899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10480 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (1450440).

Almost surely, 2^20384896 is an apocalyptic number.

It is an amenable number.

20384896 is an abundant number, since it is smaller than the sum of its proper divisors (26029184).

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

20384896 is an equidigital number, since it uses as much as digits as its factorization.

20384896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22772 (or 22760 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 20384896 is about 4514.9635657445. The cubic root of 20384896 is about 273.1719901800.

The spelling of 20384896 in words is "twenty million, three hundred eighty-four thousand, eight hundred ninety-six".