20384094 has 24 divisors (see below), whose sum is σ = 41315400. Its totient is φ = 6704400.

The previous prime is 20384059. The next prime is 20384099. The reversal of 20384094 is 49048302.

It is a happy number.

It is a super-2 number, since 2×20384094² = 831022576401672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134919 + ... + 135069.

It is an arithmetic number, because the mean of its divisors is an integer number (1721475).

Almost surely, 2^20384094 is an apocalyptic number.

20384094 is an abundant number, since it is smaller than the sum of its proper divisors (20931306).

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

20384094 is a wasteful number, since it uses less digits than its factorization.

20384094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20384094 is about 4514.8747490933. The cubic root of 20384094 is about 273.1684076778.

The spelling of 20384094 in words is "twenty million, three hundred eighty-four thousand, ninety-four".