100420553244 has 48 divisors (see below), whose sum is σ = 269069431680. Its totient is φ = 28828866240.

The previous prime is 100420553231. The next prime is 100420553249. The reversal of 100420553244 is 442355024001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420553249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20017539 + ... + 20022554.

It is an arithmetic number, because the mean of its divisors is an integer number (5605613160).

Almost surely, 2^100420553244 is an apocalyptic number.

It is an amenable number.

100420553244 is an abundant number, since it is smaller than the sum of its proper divisors (168648878436).

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

100420553244 is a wasteful number, since it uses less digits than its factorization.

100420553244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40040130 (or 40040128 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 100420553244 its reverse (442355024001), we get a palindrome (542775577245).

The spelling of 100420553244 in words is "one hundred billion, four hundred twenty million, five hundred fifty-three thousand, two hundred forty-four".