100551320200 has 24 divisors (see below), whose sum is σ = 233781819930. Its totient is φ = 40220528000.

The previous prime is 100551320183. The next prime is 100551320203. The reversal of 100551320200 is 2023155001.

It can be written as a sum of positive squares in 3 ways, for example, as 82813875076 + 17737445124 = 287774^2 + 133182^2 .

It is a super-2 number, since 2×100551320200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100551320203) 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 5 ways as a sum of consecutive naturals, for example, 251378101 + ... + 251378500.

Almost surely, 2^100551320200 is an apocalyptic number.

100551320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100551320200 is an abundant number, since it is smaller than the sum of its proper divisors (133230499730).

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

100551320200 is a wasteful number, since it uses less digits than its factorization.

100551320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502756617 (or 502756608 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 100551320200 its reverse (2023155001), we get a palindrome (102574475201).

The spelling of 100551320200 in words is "one hundred billion, five hundred fifty-one million, three hundred twenty thousand, two hundred".