20003136 has 28 divisors (see below), whose sum is σ = 52925472. Its totient is φ = 6667648.

The previous prime is 20003131. The next prime is 20003149. The reversal of 20003136 is 63130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003131) 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, 51900 + ... + 52283.

Almost surely, 2^20003136 is an apocalyptic number.

It is an amenable number.

20003136 is an abundant number, since it is smaller than the sum of its proper divisors (32922336).

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

20003136 is a wasteful number, since it uses less digits than its factorization.

20003136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104198 (or 104188 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20003136 is about 4472.4865567154. The cubic root of 20003136 is about 271.4559482741.

Adding to 20003136 its reverse (63130002), we get a palindrome (83133138).

The spelling of 20003136 in words is "twenty million, three thousand, one hundred thirty-six".