20043252 has 36 divisors (see below), whose sum is σ = 53333280. Its totient is φ = 6329232.

The previous prime is 20043241. The next prime is 20043253. The reversal of 20043252 is 25234002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13968 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (1481480).

Almost surely, 2^20043252 is an apocalyptic number.

It is an amenable number.

20043252 is an abundant number, since it is smaller than the sum of its proper divisors (33290028).

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

20043252 is a wasteful number, since it uses less digits than its factorization.

20043252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29332 (or 29327 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20043252 is about 4476.9690639985. The cubic root of 20043252 is about 271.6372940923.

Adding to 20043252 its reverse (25234002), we get a palindrome (45277254).

The spelling of 20043252 in words is "twenty million, forty-three thousand, two hundred fifty-two".