100220752500 has 480 divisors, whose sum is σ = 332533555200. Its totient is φ = 23265600000.

The previous prime is 100220752459. The next prime is 100220752501. The reversal of 100220752500 is 5257022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220752501) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 381067369 + ... + 381067631.

It is an arithmetic number, because the mean of its divisors is an integer number (692778240).

Almost surely, 2^100220752500 is an apocalyptic number.

100220752500 is a gapful number since it is divisible by the number (10) 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 100220752500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166266777600).

100220752500 is an abundant number, since it is smaller than the sum of its proper divisors (232312802700).

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

100220752500 is a wasteful number, since it uses less digits than its factorization.

100220752500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

Adding to 100220752500 its reverse (5257022001), we get a palindrome (105477774501).

The spelling of 100220752500 in words is "one hundred billion, two hundred twenty million, seven hundred fifty-two thousand, five hundred".