20396384 has 24 divisors (see below), whose sum is σ = 40575528. Its totient is φ = 10091520.

The previous prime is 20396381. The next prime is 20396399. The reversal of 20396384 is 48369302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396381) 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, 182 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (1690647).

Almost surely, 2^20396384 is an apocalyptic number.

It is an amenable number.

20396384 is a deficient number, since it is larger than the sum of its proper divisors (20179144).

20396384 is an equidigital number, since it uses as much as digits as its factorization.

20396384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678 (or 6670 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20396384 is about 4516.2356005860. The cubic root of 20396384 is about 273.2232963120.

The spelling of 20396384 in words is "twenty million, three hundred ninety-six thousand, three hundred eighty-four".