100002220020020 has 24 divisors (see below), whose sum is σ = 213139059985824. Its totient is φ = 39403859828256.

The previous prime is 100002220019939. The next prime is 100002220020097. The reversal of 100002220020020 is 20020022200001.

It is a junction number, because it is equal to n+sod(n) for n = 100002220019983 and 100002220020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37314259862 + ... + 37314262541.

It is an arithmetic number, because the mean of its divisors is an integer number (8880794166076).

Almost surely, 2^{100002220020020} is an apocalyptic number.

100002220020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002220020020 is an abundant number, since it is smaller than the sum of its proper divisors (113136839965804).

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

100002220020020 is a wasteful number, since it uses less digits than its factorization.

100002220020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74628522479 (or 74628522477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 100002220020020 its reverse (20020022200001), we get a palindrome (120022242220021).

The spelling of 100002220020020 in words is "one hundred trillion, two billion, two hundred twenty million, twenty thousand, twenty".