100550080 has 28 divisors (see below), whose sum is σ = 239435640. Its totient is φ = 40219904.

The previous prime is 100550069. The next prime is 100550083. The reversal of 100550080 is 80055001.

It is a super-2 number, since 2×100550080² = 20220637176012800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156790 + ... + 157429.

Almost surely, 2^100550080 is an apocalyptic number.

100550080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100550080 is an abundant number, since it is smaller than the sum of its proper divisors (138885560).

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

100550080 is an equidigital number, since it uses as much as digits as its factorization.

100550080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314236 (or 314226 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 100550080 is about 10027.4662801727. The cubic root of 100550080 is about 465.0084092980.

The spelling of 100550080 in words is "one hundred million, five hundred fifty thousand, eighty".