100231230020 has 24 divisors (see below), whose sum is σ = 211358977368. Its totient is φ = 39926131200.

The previous prime is 100231230017. The next prime is 100231230037. The reversal of 100231230020 is 20032132001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 395452996 + 99835777024 = 19886^2 + 315968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100231229977 and 100231230004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392611 + ... + 10402250.

It is an arithmetic number, because the mean of its divisors is an integer number (8806624057).

Almost surely, 2^100231230020 is an apocalyptic number.

100231230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231230020 is an abundant number, since it is smaller than the sum of its proper divisors (111127747348).

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

100231230020 is a wasteful number, since it uses less digits than its factorization.

100231230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20795111 (or 20795109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100231230020 its reverse (20032132001), we get a palindrome (120263362021).

The spelling of 100231230020 in words is "one hundred billion, two hundred thirty-one million, two hundred thirty thousand, twenty".