20055744 has 42 divisors (see below), whose sum is σ = 57487820. Its totient is φ = 6685056.

The previous prime is 20055743. The next prime is 20055751. The reversal of 20055744 is 44755002.

It is not an unprimeable number, because it can be changed into a prime (20055743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16834 + ... + 17985.

Almost surely, 2^20055744 is an apocalyptic number.

20055744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20055744 is an abundant number, since it is smaller than the sum of its proper divisors (37432076).

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

20055744 is a wasteful number, since it uses less digits than its factorization.

20055744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34837 (or 34824 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 20055744 is about 4478.3639869935. The cubic root of 20055744 is about 271.6937152153.

The spelling of 20055744 in words is "twenty million, fifty-five thousand, seven hundred forty-four".