100300020 has 48 divisors (see below), whose sum is σ = 281413440. Its totient is φ = 26692096.

The previous prime is 100300001. The next prime is 100300027. The reversal of 100300020 is 20003001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 100299981 and 100300008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300027) 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, 34171 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (5862780).

Almost surely, 2^100300020 is an apocalyptic number.

100300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100300020 is an abundant number, since it is smaller than the sum of its proper divisors (181113420).

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

100300020 is a wasteful number, since it uses less digits than its factorization.

100300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 100300020 is about 10014.9897653467. The cubic root of 100300020 is about 464.6226097400.

Adding to 100300020 its reverse (20003001), we get a palindrome (120303021).

The spelling of 100300020 in words is "one hundred million, three hundred thousand, twenty".