20053484 has 12 divisors (see below), whose sum is σ = 38284008. Its totient is φ = 9115200.

The previous prime is 20053483. The next prime is 20053513. The reversal of 20053484 is 48435002.

It is not an unprimeable number, because it can be changed into a prime (20053483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227837 + ... + 227924.

It is an arithmetic number, because the mean of its divisors is an integer number (3190334).

Almost surely, 2^20053484 is an apocalyptic number.

It is an amenable number.

20053484 is a deficient number, since it is larger than the sum of its proper divisors (18230524).

20053484 is a wasteful number, since it uses less digits than its factorization.

20053484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455776 (or 455774 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20053484 is about 4478.1116555977. Note that the first 3 decimals coincide. The cubic root of 20053484 is about 271.6835094797.

Adding to 20053484 its reverse (48435002), we get a palindrome (68488486).

The spelling of 20053484 in words is "twenty million, fifty-three thousand, four hundred eighty-four".