100020010002220 has 48 divisors (see below), whose sum is σ = 261870571646208. Its totient is φ = 31175068052160.

The previous prime is 100020010002169. The next prime is 100020010002347. The reversal of 100020010002220 is 22200010020001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100020010002197 and 100020010002206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32474027682 + ... + 32474030761.

It is an arithmetic number, because the mean of its divisors is an integer number (5455636909296).

Almost surely, 2^{100020010002220} is an apocalyptic number.

100020010002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020010002220 is an abundant number, since it is smaller than the sum of its proper divisors (161850561643988).

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

100020010002220 is a wasteful number, since it uses less digits than its factorization.

100020010002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64948058470 (or 64948058468 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100020010002220 its reverse (22200010020001), we get a palindrome (122220020022221).

The spelling of 100020010002220 in words is "one hundred trillion, twenty billion, ten million, two thousand, two hundred twenty".