20053502 has 16 divisors (see below), whose sum is σ = 34892160. Its totient is φ = 8465688.

The previous prime is 20053483. The next prime is 20053513. The reversal of 20053502 is 20535002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9752 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (2180760).

Almost surely, 2^20053502 is an apocalyptic number.

20053502 is a deficient number, since it is larger than the sum of its proper divisors (14838658).

20053502 is a wasteful number, since it uses less digits than its factorization.

20053502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 20053502 is about 4478.1136653730. The cubic root of 20053502 is about 271.6835907674.

Adding to 20053502 its reverse (20535002), we get a palindrome (40588504).

The spelling of 20053502 in words is "twenty million, fifty-three thousand, five hundred two".