20003150 has 24 divisors (see below), whose sum is σ = 37389720. Its totient is φ = 7961760.

The previous prime is 20003149. The next prime is 20003161. The reversal of 20003150 is 5130002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10577 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (1557905).

Almost surely, 2^20003150 is an apocalyptic number.

20003150 is a deficient number, since it is larger than the sum of its proper divisors (17386570).

20003150 is a wasteful number, since it uses less digits than its factorization.

20003150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 20003150 is about 4472.4881218400. The cubic root of 20003150 is about 271.4560116039.

Adding to 20003150 its reverse (5130002), we get a palindrome (25133152).

The spelling of 20003150 in words is "twenty million, three thousand, one hundred fifty".