100320242554 has 32 divisors (see below), whose sum is σ = 183508894080. Its totient is φ = 40173553152.

The previous prime is 100320242531. The next prime is 100320242557. The reversal of 100320242554 is 455242023001.

It is not an unprimeable number, because it can be changed into a prime (100320242557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563759 + ... + 2602594.

It is an arithmetic number, because the mean of its divisors is an integer number (5734652940).

Almost surely, 2^100320242554 is an apocalyptic number.

100320242554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100320242554 is a deficient number, since it is larger than the sum of its proper divisors (83188651526).

100320242554 is a wasteful number, since it uses less digits than its factorization.

100320242554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166454.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 100320242554 its reverse (455242023001), we get a palindrome (555562265555).

The spelling of 100320242554 in words is "one hundred billion, three hundred twenty million, two hundred forty-two thousand, five hundred fifty-four".