100520030 has 16 divisors (see below), whose sum is σ = 194854464. Its totient is φ = 37115040.

The previous prime is 100519999. The next prime is 100520039. The reversal of 100520030 is 30025001.

It is a junction number, because it is equal to n+sod(n) for n = 100519993 and 100520020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100520039) 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 7 ways as a sum of consecutive naturals, for example, 386486 + ... + 386745.

It is an arithmetic number, because the mean of its divisors is an integer number (12178404).

Almost surely, 2^100520030 is an apocalyptic number.

100520030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100520030 is a deficient number, since it is larger than the sum of its proper divisors (94334434).

100520030 is a wasteful number, since it uses less digits than its factorization.

100520030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773251.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 100520030 is about 10025.9677837105. The cubic root of 100520030 is about 464.9620811566.

Adding to 100520030 its reverse (30025001), we get a palindrome (130545031).

The spelling of 100520030 in words is "one hundred million, five hundred twenty thousand, thirty".