20050124500 has 96 divisors (see below), whose sum is σ = 50406370560. Its totient is φ = 6824707200.

The previous prime is 20050124491. The next prime is 20050124503. The reversal of 20050124500 is 542105002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050124503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465894 + ... + 507106.

It is an arithmetic number, because the mean of its divisors is an integer number (525066360).

Almost surely, 2^20050124500 is an apocalyptic number.

20050124500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20050124500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25203185280).

20050124500 is an abundant number, since it is smaller than the sum of its proper divisors (30356246060).

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

20050124500 is a wasteful number, since it uses less digits than its factorization.

20050124500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41378 (or 41366 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 20050124500 its reverse (542105002), we get a palindrome (20592229502).

The spelling of 20050124500 in words is "twenty billion, fifty million, one hundred twenty-four thousand, five hundred".