20043452 has 48 divisors (see below), whose sum is σ = 41903232. Its totient is φ = 8268480.

The previous prime is 20043451. The next prime is 20043467. The reversal of 20043452 is 25434002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38063 + ... + 38585.

It is an arithmetic number, because the mean of its divisors is an integer number (872984).

Almost surely, 2^20043452 is an apocalyptic number.

20043452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20043452 is an abundant number, since it is smaller than the sum of its proper divisors (21859780).

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

20043452 is a wasteful number, since it uses less digits than its factorization.

20043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20043452 is about 4476.9914004831. The cubic root of 20043452 is about 271.6381975930.

Adding to 20043452 its reverse (25434002), we get a palindrome (45477454).

The spelling of 20043452 in words is "twenty million, forty-three thousand, four hundred fifty-two".