100420330225 has 24 divisors (see below), whose sum is σ = 125247340800. Its totient is φ = 79868448000.

The previous prime is 100420330189. The next prime is 100420330229. The reversal of 100420330225 is 522033024001.

It is not a de Polignac number, because 100420330225 - 2³³ = 91830395633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100420330196 and 100420330205.

It is not an unprimeable number, because it can be changed into a prime (100420330229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6763560 + ... + 6778390.

It is an arithmetic number, because the mean of its divisors is an integer number (5218639200).

Almost surely, 2^100420330225 is an apocalyptic number.

It is an amenable number.

100420330225 is a deficient number, since it is larger than the sum of its proper divisors (24827010575).

100420330225 is a wasteful number, since it uses less digits than its factorization.

100420330225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401 (or 16396 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 100420330225 its reverse (522033024001), we get a palindrome (622453354226).

The spelling of 100420330225 in words is "one hundred billion, four hundred twenty million, three hundred thirty thousand, two hundred twenty-five".