100244444220 has 72 divisors (see below), whose sum is σ = 320078762640. Its totient is φ = 25324911360.

The previous prime is 100244444213. The next prime is 100244444249. The reversal of 100244444220 is 22444442001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14652201 + ... + 14659040.

It is an arithmetic number, because the mean of its divisors is an integer number (4445538370).

Almost surely, 2^100244444220 is an apocalyptic number.

100244444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100244444220 is an abundant number, since it is smaller than the sum of its proper divisors (219834318420).

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

100244444220 is a wasteful number, since it uses less digits than its factorization.

100244444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29311275 (or 29311270 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 100244444220 its reverse (22444442001), we get a palindrome (122688886221).

The spelling of 100244444220 in words is "one hundred billion, two hundred forty-four million, four hundred forty-four thousand, two hundred twenty".