20103850 has 48 divisors (see below), whose sum is σ = 40731768. Its totient is φ = 7338240.

The previous prime is 20103821. The next prime is 20103859. The reversal of 20103850 is 5830102.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1432809 + 18671041 = 1197^2 + 4321^2 .

It is not an unprimeable number, because it can be changed into a prime (20103859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101952 + ... + 102148.

Almost surely, 2^20103850 is an apocalyptic number.

20103850 is an abundant number, since it is smaller than the sum of its proper divisors (20627918).

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

20103850 is a wasteful number, since it uses less digits than its factorization.

20103850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20103850 is about 4483.7317047299. The cubic root of 20103850 is about 271.9107712654.

Adding to 20103850 its reverse (5830102), we get a palindrome (25933952).

The spelling of 20103850 in words is "twenty million, one hundred three thousand, eight hundred fifty".