100546406220 has 48 divisors (see below), whose sum is σ = 303186088800. Its totient is φ = 24749884416.

The previous prime is 100546406209. The next prime is 100546406221. The reversal of 100546406220 is 22604645001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (100546406221) 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 15 ways as a sum of consecutive naturals, for example, 64452045 + ... + 64453604.

It is an arithmetic number, because the mean of its divisors is an integer number (6316376850).

Almost surely, 2^100546406220 is an apocalyptic number.

100546406220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100546406220 is an abundant number, since it is smaller than the sum of its proper divisors (202639682580).

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

100546406220 is a wasteful number, since it uses less digits than its factorization.

100546406220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128905674 (or 128905672 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 100546406220 in words is "one hundred billion, five hundred forty-six million, four hundred six thousand, two hundred twenty".