100420303 has 4 divisors (see below), whose sum is σ = 100442160. Its totient is φ = 100398448.

The previous prime is 100420291. The next prime is 100420363. The reversal of 100420303 is 303024001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100420303 - 2²¹ = 98323151 is a prime.

It is a super-2 number, since 2×100420303² = 20168474509223618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420363) 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 3 ways as a sum of consecutive naturals, for example, 1075 + ... + 14212.

It is an arithmetic number, because the mean of its divisors is an integer number (25110540).

Almost surely, 2^100420303 is an apocalyptic number.

100420303 is a deficient number, since it is larger than the sum of its proper divisors (21857).

100420303 is an equidigital number, since it uses as much as digits as its factorization.

100420303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100420303 is about 10020.9931144573. The cubic root of 100420303 is about 464.8082656553.

Adding to 100420303 its reverse (303024001), we get a palindrome (403444304).

The spelling of 100420303 in words is "one hundred million, four hundred twenty thousand, three hundred three".