100420003424 has 48 divisors (see below), whose sum is σ = 212976575280. Its totient is φ = 46333140480.

The previous prime is 100420003421. The next prime is 100420003477. The reversal of 100420003424 is 424300024001.

It is a junction number, because it is equal to n+sod(n) for n = 100420003396 and 100420003405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420003421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349462 + ... + 1421930.

It is an arithmetic number, because the mean of its divisors is an integer number (4437011985).

Almost surely, 2^100420003424 is an apocalyptic number.

It is an amenable number.

100420003424 is an abundant number, since it is smaller than the sum of its proper divisors (112556571856).

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

100420003424 is a wasteful number, since it uses less digits than its factorization.

100420003424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75823 (or 75815 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100420003424 its reverse (424300024001), we get a palindrome (524720027425).

The spelling of 100420003424 in words is "one hundred billion, four hundred twenty million, three thousand, four hundred twenty-four".