100303420 has 24 divisors (see below), whose sum is σ = 240728544. Its totient is φ = 34389696.

The previous prime is 100303397. The next prime is 100303429. The reversal of 100303420 is 24303001.

It is a self number, because there is not a number n which added to its sum of digits gives 100303420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303429) 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, 358087 + ... + 358366.

It is an arithmetic number, because the mean of its divisors is an integer number (10030356).

Almost surely, 2^100303420 is an apocalyptic number.

100303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100303420 is an abundant number, since it is smaller than the sum of its proper divisors (140425124).

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

100303420 is a wasteful number, since it uses less digits than its factorization.

100303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716469 (or 716467 counting only the distinct ones).

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

The square root of 100303420 is about 10015.1595094636. The cubic root of 100303420 is about 464.6278596526.

Adding to 100303420 its reverse (24303001), we get a palindrome (124606421).

The spelling of 100303420 in words is "one hundred million, three hundred three thousand, four hundred twenty".