100244420200 has 96 divisors (see below), whose sum is σ = 249551717400. Its totient is φ = 37314928640.

The previous prime is 100244420167. The next prime is 100244420203. The reversal of 100244420200 is 2024442001.

It can be written as a sum of positive squares in 12 ways, for example, as 2499400036 + 97745020164 = 49994^2 + 312642^2 .

It is not an unprimeable number, because it can be changed into a prime (100244420203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136962 + ... + 468238.

Almost surely, 2^100244420200 is an apocalyptic number.

100244420200 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 100244420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124775858700).

100244420200 is an abundant number, since it is smaller than the sum of its proper divisors (149307297200).

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

100244420200 is a wasteful number, since it uses less digits than its factorization.

100244420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331399 (or 331390 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 100244420200 its reverse (2024442001), we get a palindrome (102268862201).

The spelling of 100244420200 in words is "one hundred billion, two hundred forty-four million, four hundred twenty thousand, two hundred".