100018202020 has 48 divisors (see below), whose sum is σ = 229210027200. Its totient is φ = 36357966720.

The previous prime is 100018201991. The next prime is 100018202027. The reversal of 100018202020 is 20202810001.

It is a junction number, because it is equal to n+sod(n) for n = 100018201985 and 100018202003.

It is not an unprimeable number, because it can be changed into a prime (100018202027) 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, 588886 + ... + 739474.

It is an arithmetic number, because the mean of its divisors is an integer number (4775208900).

Almost surely, 2^100018202020 is an apocalyptic number.

100018202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100018202020 is an abundant number, since it is smaller than the sum of its proper divisors (129191825180).

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

100018202020 is a wasteful number, since it uses less digits than its factorization.

100018202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153628 (or 153626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 100018202020 in words is "one hundred billion, eighteen million, two hundred two thousand, twenty".