100546020 has 144 divisors (see below), whose sum is σ = 324000768. Its totient is φ = 25194240.

The previous prime is 100545979. The next prime is 100546031. The reversal of 100546020 is 20645001.

It is a happy number.

100546020 is a `hidden beast` number, since 10 + 0 + 54 + 602 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100545984 and 100546002.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 206217 + ... + 206703.

Almost surely, 2^100546020 is an apocalyptic number.

100546020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100546020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162000384).

100546020 is an abundant number, since it is smaller than the sum of its proper divisors (223454748).

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

100546020 is a wasteful number, since it uses less digits than its factorization.

100546020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100546020 is about 10027.2638341673. The cubic root of 100546020 is about 465.0021505277.

The spelling of 100546020 in words is "one hundred million, five hundred forty-six thousand, twenty".