20043552 has 24 divisors (see below), whose sum is σ = 52614576. Its totient is φ = 6681152.

The previous prime is 20043469. The next prime is 20043559. The reversal of 20043552 is 25534002.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20043559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104298 + ... + 104489.

It is an arithmetic number, because the mean of its divisors is an integer number (2192274).

Almost surely, 2^20043552 is an apocalyptic number.

It is an amenable number.

20043552 is an abundant number, since it is smaller than the sum of its proper divisors (32571024).

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

20043552 is a wasteful number, since it uses less digits than its factorization.

20043552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208800 (or 208792 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20043552 is about 4477.0025686836. The cubic root of 20043552 is about 271.6386493411.

Adding to 20043552 its reverse (25534002), we get a palindrome (45577554).

The spelling of 20043552 in words is "twenty million, forty-three thousand, five hundred fifty-two".