100424420 has 12 divisors (see below), whose sum is σ = 210891324. Its totient is φ = 40169760.

The previous prime is 100424399. The next prime is 100424437. The reversal of 100424420 is 24424001.

It can be written as a sum of positive squares in 2 ways, for example, as 77018176 + 23406244 = 8776^2 + 4838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510591 + ... + 2510630.

It is an arithmetic number, because the mean of its divisors is an integer number (17574277).

Almost surely, 2^100424420 is an apocalyptic number.

100424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100424420 is an abundant number, since it is smaller than the sum of its proper divisors (110466904).

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

100424420 is a wasteful number, since it uses less digits than its factorization.

100424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021230 (or 5021228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100424420 is about 10021.1985311139. The cubic root of 100424420 is about 464.8146175896.

Adding to 100424420 its reverse (24424001), we get a palindrome (124848421).

The spelling of 100424420 in words is "one hundred million, four hundred twenty-four thousand, four hundred twenty".