100002002220020 has 12 divisors (see below), whose sum is σ = 210004204662084. Its totient is φ = 40000800888000.

The previous prime is 100002002219983. The next prime is 100002002220053. The reversal of 100002002220020 is 20022200200001.

It can be written as a sum of positive squares in 2 ways, for example, as 21543967836304 + 78458034383716 = 4641548^2 + 8857654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100002002219983 and 100002002220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500050055481 + ... + 2500050055520.

It is an arithmetic number, because the mean of its divisors is an integer number (17500350388507).

Almost surely, 2^{100002002220020} is an apocalyptic number.

100002002220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002002220020 is an abundant number, since it is smaller than the sum of its proper divisors (110002202442064).

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

100002002220020 is a wasteful number, since it uses less digits than its factorization.

100002002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000100111010 (or 5000100111008 counting only the distinct ones).

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

Adding to 100002002220020 its reverse (20022200200001), we get a palindrome (120024202420021).

The spelling of 100002002220020 in words is "one hundred trillion, two billion, two million, two hundred twenty thousand, twenty".