100420330403 has 16 divisors (see below), whose sum is σ = 108978113376. Its totient is φ = 92164262400.

The previous prime is 100420330399. The next prime is 100420330411. The reversal of 100420330403 is 304033024001.

It is not a de Polignac number, because 100420330403 - 2² = 100420330399 is a prime.

It is a super-2 number, since 2×100420330403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420330433) 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 15 ways as a sum of consecutive naturals, for example, 336053 + ... + 560153.

It is an arithmetic number, because the mean of its divisors is an integer number (6811132086).

Almost surely, 2^100420330403 is an apocalyptic number.

100420330403 is a deficient number, since it is larger than the sum of its proper divisors (8557782973).

100420330403 is a wasteful number, since it uses less digits than its factorization.

100420330403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224774.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 100420330403 its reverse (304033024001), we get a palindrome (404453354404).

The spelling of 100420330403 in words is "one hundred billion, four hundred twenty million, three hundred thirty thousand, four hundred three".